diff --git a/examples/anonymous_auth.rb b/examples/anonymous_auth.rb
index 2c8a4a2b..e6ed147a 100644
--- a/examples/anonymous_auth.rb
+++ b/examples/anonymous_auth.rb
@@ -45,6 +45,11 @@ def run_authentication(address, smb1, smb2, smb3)
 end
 optparser.parse!(args)
 
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
+end
+
 if options[:target].nil?
   abort(optparser.help)
 end
diff --git a/examples/append_file.rb b/examples/append_file.rb
index da91c06c..e94a1de2 100644
--- a/examples/append_file.rb
+++ b/examples/append_file.rb
@@ -2,27 +2,70 @@
 
 # This example script is used for testing the appending to a file.
 # It will attempt to connect to a specific share and then append to a specified file.
-# Example usage: ruby append_file.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE test.txt "data to write"
+# Example usage: ruby append_file.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE test.txt "data to write"
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials
-# and write "data to write" the end of the file test.txt
+# and append "data to write" to the end of the file test.txt
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-share        = ARGV[3]
-file         = ARGV[4]
-data         = ARGV[5]
-smb_versions = ARGV[6]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  file: nil,
+  data: nil
+}
+options[:data] = args.pop
+options[:file] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share file data"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:file], options[:data]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:file].nil? || options[:data].nil?
+  abort(optparser.help)
+end
 
-path = "\\\\#{address}\\#{share}"
+path = "\\\\#{options[:target]}\\#{options[:share]}"
 
-sock = TCPSocket.new address, 445
+sock = TCPSocket.new options[:target], 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -35,8 +78,8 @@
   puts "Failed to connect to #{path}: #{e.message}"
 end
 
-file = tree.open_file(filename: file, write: true, disposition: RubySMB::Dispositions::FILE_OPEN_IF)
+file = tree.open_file(filename: options[:file], write: true, disposition: RubySMB::Dispositions::FILE_OPEN_IF)
 
-result = file.append(data: data)
+result = file.append(data: options[:data])
 puts result.to_s
 file.close
diff --git a/examples/authenticate.rb b/examples/authenticate.rb
index 912d5fba..aff6d9ea 100644
--- a/examples/authenticate.rb
+++ b/examples/authenticate.rb
@@ -4,14 +4,15 @@
 # including protocol negotiation and authentication.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-def run_authentication(address, smb1, smb2, smb3, username, password)
+def run_authentication(address, smb1, smb2, smb3, username, password, domain)
   # Create our socket and add it to the dispatcher
   sock = TCPSocket.new address, 445
   dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: username, password: password)
+  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: username, password: password, domain: domain)
   protocol = client.negotiate
   status = client.authenticate
   puts "#{protocol} : #{status}"
@@ -28,17 +29,64 @@ def run_authentication(address, smb1, smb2, smb3, username, password)
   puts "OS Version: #{client.os_version}"
 end
 
-address  = ARGV[0]
-username = ARGV[1]
-password = ARGV[2]
-
-# Negotiate with SMB1, SMB2 and SMB3 enabled on the client
-run_authentication(address, true, true, true, username, password)
-# Negotiate with both SMB1 and SMB2 enabled on the client
-run_authentication(address, true, true, false, username, password)
-# Negotiate with only SMB1 enabled
-run_authentication(address, true, false, false, username, password)
-# Negotiate with only SMB2 enabled
-run_authentication(address, false, true, false, username, password)
-# Negotiate with only SMB3 enabled
-run_authentication(address, false, false, true, username, password)
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil
+}
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil?
+  abort(optparser.help)
+end
+
+# (smb1, smb2, smb3) combinations to exercise — filtered by the user's
+# --[no-]smbv{1,2,3} flags so that any combo requiring a disabled version
+# is skipped.
+combinations = [
+  [true,  true,  true],   # SMB1, SMB2 and SMB3 enabled
+  [true,  true,  false],  # SMB1 and SMB2 enabled
+  [true,  false, false],  # only SMB1 enabled
+  [false, true,  false],  # only SMB2 enabled
+  [false, false, true]    # only SMB3 enabled
+]
+
+combinations.each do |smb1, smb2, smb3|
+  next if smb1 && !options[:smbv1]
+  next if smb2 && !options[:smbv2]
+  next if smb3 && !options[:smbv3]
+  run_authentication(options[:target], smb1, smb2, smb3, options[:username], options[:password], options[:domain])
+end
diff --git a/examples/delete_file.rb b/examples/delete_file.rb
index 8b313aa8..b5210fce 100644
--- a/examples/delete_file.rb
+++ b/examples/delete_file.rb
@@ -2,26 +2,68 @@
 
 # This example script is used for testing the deleting of a file.
 # It will attempt to connect to a specific share and then delete a specified file.
-# Example usage: ruby delete_file.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE short.txt
+# Example usage: ruby delete_file.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE short.txt
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials
 # and delete the file short.txt
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-share        = ARGV[3]
-file         = ARGV[4]
-smb_versions = ARGV[5]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  file: nil
+}
+options[:file] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share file"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:file]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:file].nil?
+  abort(optparser.help)
+end
 
-path     = "\\\\#{address}\\#{share}"
+path = "\\\\#{options[:target]}\\#{options[:share]}"
 
-sock = TCPSocket.new address, 445
+sock = TCPSocket.new options[:target], 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 
 protocol = client.negotiate
 status = client.authenticate
@@ -35,7 +77,7 @@
   puts "Failed to connect to #{path}: #{e.message}"
 end
 
-file = tree.open_file(filename: file, delete: true)
+file = tree.open_file(filename: options[:file], delete: true)
 
 data = file.delete
 puts data
diff --git a/examples/dump_secrets_from_sid.rb b/examples/dump_secrets_from_sid.rb
index f88f5a5c..4b953392 100644
--- a/examples/dump_secrets_from_sid.rb
+++ b/examples/dump_secrets_from_sid.rb
@@ -2,26 +2,61 @@
 
 # This example script is used for testing DCERPC client and DRSR structures.
 # It will attempt to connect to a host and enumerate user secrets.
-# Example usage: ruby dump_secrets_from_sid.rb 192.168.172.138 msfadmin msfadmin MYDOMAIN S-1-5-21-419547006-9448028-4223375872-500
+# Example usage: ruby dump_secrets_from_sid.rb --username msfadmin --password msfadmin 192.168.172.138 MYDOMAIN S-1-5-21-419547006-9448028-4223375872-500
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin
 # credentials and enumerate secrets of domain user with SID
 # S-1-5-21-419547006-9448028-4223375872-500
 
 require 'bundler/setup'
+require 'optparse'
+require 'ruby_smb'
 require 'ruby_smb/dcerpc/client'
 
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  target: nil,
+  lookup_domain: nil,
+  sid: nil
+}
+options[:sid] = args.pop
+options[:lookup_domain] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target domain sid"
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:lookup_domain], options[:sid]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:lookup_domain].nil? || options[:sid].nil?
+  abort(optparser.help)
+end
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-domain       = ARGV[3]
-sid          = ARGV[4]
+address = options[:target]
+domain = options[:lookup_domain]
+sid = options[:sid]
 
 client = RubySMB::Dcerpc::Client.new(
   address,
   RubySMB::Dcerpc::Drsr,
-  username: username,
-  password: password,
+  username: options[:username],
+  password: options[:password],
 )
 client.connect
 puts('Binding to DRSR...')
diff --git a/examples/enum_domain_users.rb b/examples/enum_domain_users.rb
index 12a21c77..c2179fd6 100644
--- a/examples/enum_domain_users.rb
+++ b/examples/enum_domain_users.rb
@@ -2,21 +2,65 @@
 
 # This example script is used for testing DCERPC SAMR requests.
 # It will attempt to connect to a server object and enumerate domain users.
-# Example usage: ruby enum_domain_users.rb 192.168.172.138 msfadmin msfadmin MyDomain
+# Example usage: ruby enum_domain_users.rb --username msfadmin --password msfadmin 192.168.172.138 MyDomain
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-domain       = ARGV[3]
-smb_versions = ARGV[4]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  lookup_domain: nil
+}
+options[:lookup_domain] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target domain"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:lookup_domain]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:lookup_domain].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+domain = options[:lookup_domain]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -72,4 +116,3 @@
 samr.close_handle(server_handle)
 
 client.disconnect!
-
diff --git a/examples/enum_registry_key.rb b/examples/enum_registry_key.rb
index 17201347..7afefea2 100644
--- a/examples/enum_registry_key.rb
+++ b/examples/enum_registry_key.rb
@@ -2,22 +2,66 @@
 
 # This example script is used for testing Winreg registry key enumeration functionality
 # It will attempt to connect to a host and enumerate registry subkeys of a specified registry key.
-# Example usage: ruby enum_registry_key.rb 192.168.172.138 msfadmin msfadmin HKLM\\My\\Key
+# Example usage: ruby enum_registry_key.rb --username msfadmin --password msfadmin 192.168.172.138 HKLM\\My\\Key
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin credentialas and enumerate HKLM\\My\\Key subkeys.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-registry_key = ARGV[3]
-smb_versions = ARGV[4]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  registry_key: nil
+}
+options[:registry_key] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target registry_key"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:registry_key]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:registry_key].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+registry_key = options[:registry_key]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
diff --git a/examples/enum_registry_values.rb b/examples/enum_registry_values.rb
index bd09f24b..a4edec7c 100644
--- a/examples/enum_registry_values.rb
+++ b/examples/enum_registry_values.rb
@@ -2,22 +2,66 @@
 
 # This example script is used for testing values enumeration of a specific Winreg registry.
 # It will attempt to connect to a host and enumerate values of a specified registry key.
-# Example usage: ruby enum_registry_values.rb 192.168.172.138 msfadmin msfadmin HKLM\\My\\Key
+# Example usage: ruby enum_registry_values.rb --username msfadmin --password msfadmin 192.168.172.138 HKLM\\My\\Key
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin credentialas and enumerate HKLM\\My\\Key values.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-registry_key = ARGV[3]
-smb_versions = ARGV[4]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  registry_key: nil
+}
+options[:registry_key] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target registry_key"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:registry_key]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:registry_key].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+registry_key = options[:registry_key]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -27,5 +71,3 @@
 puts enum_result
 
 client.disconnect!
-
-
diff --git a/examples/get_computer_info.rb b/examples/get_computer_info.rb
index 55ee17f3..3788ba76 100644
--- a/examples/get_computer_info.rb
+++ b/examples/get_computer_info.rb
@@ -2,20 +2,62 @@
 
 # This example script is used for testing DCERPC WKST requests.
 # It will attempt to retrieve configuration information of a remote computer/server.
-# Example usage: ruby enum_domain_users.rb 192.168.172.138 msfadmin msfadmin MyDomain
+# Example usage: ruby get_computer_info.rb --username msfadmin --password msfadmin 192.168.172.138
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-smb_versions = ARGV[3]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil
+}
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -38,5 +80,3 @@
 puts "OS Version: #{info.wki100_ver_major}.#{info.wki100_ver_minor}"
 
 client.disconnect!
-
-
diff --git a/examples/list_directory.rb b/examples/list_directory.rb
index 02790f14..ee387fa4 100644
--- a/examples/list_directory.rb
+++ b/examples/list_directory.rb
@@ -2,27 +2,69 @@
 
 # This example script is used for testing directory listing functionality
 # It will attempt to connect to a specific share and then list all files in a
-#  specified directory..
-# Example usage: ruby list_directory.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE subdir1
+#  specified directory.
+# Example usage: ruby list_directory.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE subdir1
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials,
 # and then list the contents of the directory 'subdir1'
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-share        = ARGV[3]
-dir          = ARGV[4]
-smb_versions = ARGV[5]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  directory: nil
+}
+options[:directory] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share directory"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:directory]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:directory].nil?
+  abort(optparser.help)
+end
 
-path     = "\\\\#{address}\\#{share}"
+path = "\\\\#{options[:target]}\\#{options[:share]}"
 
-sock = TCPSocket.new address, 445
+sock = TCPSocket.new options[:target], 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -35,7 +77,7 @@
   puts "Failed to connect to #{path}: #{e.message}"
 end
 
-files = tree.list(directory: dir)
+files = tree.list(directory: options[:directory])
 
 files.each do |file|
   create_time = file.create_time.to_datetime.to_s
diff --git a/examples/negotiate.rb b/examples/negotiate.rb
index b150f293..61d735d8 100644
--- a/examples/negotiate.rb
+++ b/examples/negotiate.rb
@@ -5,63 +5,75 @@
 # without any other parts.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-def run_negotiation(address, smb1, smb2, smb3, opts = {})
+def run_negotiation(address, smb1, smb2, smb3)
   # Create our socket and add it to the dispatcher
   sock = TCPSocket.new address, 445
   dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: 'msfadmin', password: 'msfadmin')
+  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: '', password: '')
   client.negotiate
 end
 
-begin
-  puts "Negotiate with only SMB1 enabled..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], true, false, false)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
+args = ARGV.dup
+options = {
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil
+}
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
 end
+optparser.parse!(args)
 
-begin
-  puts "Negotiate with only SMB2 enabled..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], false, true, false)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
 end
 
-begin
-  puts "Negotiate with only SMB3 enabled..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], false, false, true)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
+if options[:target].nil?
+  abort(optparser.help)
 end
 
-begin
-  puts "Negotiate with both SMB1 and SMB2 enabled on the client..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], true, true, false)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
-end
+# (smb1, smb2, smb3) combinations to exercise — filtered by the user's
+# --[no-]smbv{1,2,3} flags so any combo requiring a disabled version
+# is skipped.
+combinations = [
+  [true,  false, false], # only SMB1
+  [false, true,  false], # only SMB2
+  [false, false, true],  # only SMB3
+  [true,  true,  false], # SMB1 and SMB2
+  [false, true,  true],  # SMB2 and SMB3
+  [true,  false, true],  # SMB1 and SMB3
+  [true,  true,  true]   # SMB1, SMB2 and SMB3
+]
 
-begin
-  puts "Negotiate with both SMB2 and SMB3 enabled on the client..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], false, true, true)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
-end
+combinations.each do |smb1, smb2, smb3|
+  next if smb1 && !options[:smbv1]
+  next if smb2 && !options[:smbv2]
+  next if smb3 && !options[:smbv3]
 
-begin
-  puts "Negotiate with both SMB1 and SMB3 enabled on the client..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], true, false, true)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
+  enabled = []
+  enabled << 'SMB1' if smb1
+  enabled << 'SMB2' if smb2
+  enabled << 'SMB3' if smb3
+  puts "Negotiate with #{enabled.join(', ')} enabled..."
+  begin
+    puts "  Negotiated version: #{run_negotiation(options[:target], smb1, smb2, smb3)}"
+  rescue RubySMB::Error::RubySMBError => e
+    puts "Error: #{e.message}"
+  end
 end
-
-begin
-  puts "Negotiate with SMB1, SMB2 and SMB3 enabled on the client..."
-  puts "  Negotiated version: #{run_negotiation(ARGV[0], true, true, true)}"
-rescue RubySMB::Error::RubySMBError => e
-  puts "Error: #{e.message}"
-end
-
diff --git a/examples/negotiate_with_netbios_service.rb b/examples/negotiate_with_netbios_service.rb
index ed398d7b..c01db3b8 100644
--- a/examples/negotiate_with_netbios_service.rb
+++ b/examples/negotiate_with_netbios_service.rb
@@ -1,19 +1,19 @@
 #!/usr/bin/ruby
 
 # This script is for testing the NetBIOS Session Service Request on port 139/tcp.
-# Example usage: ruby negotiate.rb 192.168.172.138 NBNAME
-# This will connect to 192.168.172.138 (139/TCP) and request a NetBIOS session with NBNAME as the called name. 
+# This will connect to 192.168.172.138 (139/TCP) and request a NetBIOS session with NBNAME as the called name.
 # If successful, a SMB negotiation is performed using this NetBIOS session.
 # The default *SMBSERVER name is used if the NetBIOS name is not provided.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
 def run_negotiation(address, smb1, smb2, smb3, netbios_name)
   sock = TCPSocket.new address, 139
   dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: 'msfadmin', password: 'msfadmin')
+  client = RubySMB::Client.new(dispatcher, smb1: smb1, smb2: smb2, smb3: smb3, username: '', password: '')
   begin
     client.session_request(netbios_name)
   rescue RubySMB::Error::NetBiosSessionService => e
@@ -25,16 +25,55 @@ def run_negotiation(address, smb1, smb2, smb3, netbios_name)
   puts "#{smb_version} successfully negotiated."
 end
 
-address      = ARGV[0]
-netbios_name = ARGV[1] || '*SMBSERVER'
-
-# Negotiate with SMB1, SMB2 and SMB3 enabled on the client
-run_negotiation(ARGV[0], true, true, true, netbios_name)
-# Negotiate with both SMB1 and SMB2 enabled on the client
-run_negotiation(ARGV[0], true, true, false, netbios_name)
-# Negotiate with only SMB1 enabled
-run_negotiation(ARGV[0], true, false, false, netbios_name)
-# Negotiate with only SMB2 enabled
-run_negotiation(ARGV[0], false, true, false, netbios_name)
-# Negotiate with only SMB3 enabled
-run_negotiation(ARGV[0], false, false, true, netbios_name)
+args = ARGV.dup
+options = {
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  netbios_name: '*SMBSERVER',
+  target: nil
+}
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--netbios-name NAME", "The NetBIOS called name (default: #{options[:netbios_name]})") do |name|
+    options[:netbios_name] = name
+  end
+end
+optparser.parse!(args)
+
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil?
+  abort(optparser.help)
+end
+
+# (smb1, smb2, smb3) combinations to exercise — filtered by the user's
+# --[no-]smbv{1,2,3} flags so any combo requiring a disabled version
+# is skipped.
+combinations = [
+  [true,  true,  true],   # SMB1, SMB2 and SMB3 enabled
+  [true,  true,  false],  # SMB1 and SMB2 enabled
+  [true,  false, false],  # only SMB1 enabled
+  [false, true,  false],  # only SMB2 enabled
+  [false, false, true]    # only SMB3 enabled
+]
+
+combinations.each do |smb1, smb2, smb3|
+  next if smb1 && !options[:smbv1]
+  next if smb2 && !options[:smbv2]
+  next if smb3 && !options[:smbv3]
+  run_negotiation(options[:target], smb1, smb2, smb3, options[:netbios_name])
+end
diff --git a/examples/net_share_enum_all.rb b/examples/net_share_enum_all.rb
index 89a991a1..839fc33a 100644
--- a/examples/net_share_enum_all.rb
+++ b/examples/net_share_enum_all.rb
@@ -2,23 +2,63 @@
 
 # This example script is used for testing NetShareEnumAll functionality
 # It will attempt to connect to a host and enumerate shares.
-# Example usage: ruby net_share_enum_all.rb 192.168.172.138 msfadmin msfadmin
+# Example usage: ruby net_share_enum_all.rb --username msfadmin --password msfadmin 192.168.172.138
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin credentials
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-smb_versions = ARGV[3]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil
+}
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if options[:target] == '-h' || options[:target] == '--help'
+  puts optparser.help
+  exit
+end
 
-path     = "\\\\#{address}\\IPC$"
+if options[:target].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -32,4 +72,3 @@
 end
 
 client.disconnect!
-
diff --git a/examples/pipes.rb b/examples/pipes.rb
index e200feed..b0653a0a 100644
--- a/examples/pipes.rb
+++ b/examples/pipes.rb
@@ -4,22 +4,66 @@
 # Example script for connecting to a named pipe and performing a peek operation.
 # This is used to demonstrate pipe operations.
 #
-# Usage: ruby pipes.rb ADDRESS PIPENAME USER PASS 1|2
+# Usage: ruby pipes.rb --username USER --password PASS ADDRESS PIPENAME
 #
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-pipename     = ARGV[1]
-username     = ARGV[2]
-password     = ARGV[3]
-smb_versions = ARGV[4]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  pipename: nil
+}
+options[:pipename] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target pipename"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:pipename]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:pipename].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+pipename = options[:pipename]
 
 sock = TCPSocket.new(address, 445)
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 smbver = client.negotiate
 
 if smbver == 'SMB1'
diff --git a/examples/query_service_status.rb b/examples/query_service_status.rb
index 5fcba03a..a00d05f3 100644
--- a/examples/query_service_status.rb
+++ b/examples/query_service_status.rb
@@ -2,22 +2,66 @@
 
 # This example script is used for testing remote service status and start type query.
 # It will attempt to connect to a host and query the status and start type of the provided service.
-# Example usage: ruby query_service_status.rb 192.168.172.138 msfadmin msfadmin "RemoteRegistry"
+# Example usage: ruby query_service_status.rb --username msfadmin --password msfadmin 192.168.172.138 "RemoteRegistry"
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin credentialas and get the status and start type of the "RemoteRegistry" service.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-service      = ARGV[3]
-smb_versions = ARGV[4]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  service: nil
+}
+options[:service] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target service"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:service]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:service].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+service = options[:service]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -99,4 +143,3 @@
   svcctl.close
 end
 client.disconnect!
-
diff --git a/examples/read_file_encryption.rb b/examples/read_file_encryption.rb
index 3cad641f..bbccb9b8 100644
--- a/examples/read_file_encryption.rb
+++ b/examples/read_file_encryption.rb
@@ -1,24 +1,11 @@
 #!/usr/bin/ruby
 
-# This example script is used for testing the reading of a file.
+# This example script is used for testing the reading of a file with SMBv3 encryption.
 # It will attempt to connect to a specific share and then read a specified file.
-# Example usage: ruby read_file.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE short.txt
+# Example usage: ruby read_file_encryption.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE short.txt
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials
 # and read the file short.txt
 
-require 'bundler/setup'
-require 'ruby_smb'
-
-address  = ARGV[0]
-username = ARGV[1]
-password = ARGV[2]
-share    = ARGV[3]
-filename = ARGV[4]
-path     = "\\\\#{address}\\#{share}"
-
-sock = TCPSocket.new address, 445
-dispatcher = RubySMB::Dispatcher::Socket.new(sock)
-
 # To require encryption on the server, run this in an elevated Powershell:
 # C:\> Set-SmbServerConfiguration -EncryptData $true
 
@@ -26,20 +13,78 @@
 # C:\ Set-SmbServerConfiguration -EncryptData $false
 # C:\ Set-SmbShare -Name <share name> -EncryptData 1
 
-# For this encryption to work, it has to be SMBv3. By only setting smb3 to true,
-# we make sure the server will negotiate this version, if it supports it
-opts = {
-  smb1: false,
-  smb2: false,
-  smb3: true,
-  username: username,
-  password: password,
+# For this encryption to work, it has to be SMBv3. By default, SMBv1 and SMBv2
+# are disabled here so the server will negotiate SMBv3 if it supports it.
+
+require 'bundler/setup'
+require 'optparse'
+require 'ruby_smb'
+
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: false,
+  smbv2: false,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  file: nil
 }
+options[:file] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share file"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:file]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:file].nil?
+  abort(optparser.help)
+end
+
+path = "\\\\#{options[:target]}\\#{options[:share]}"
+
+sock = TCPSocket.new options[:target], 445
+dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
 # By default, the client uses encryption even if it is not required by the server. Disable this by setting always_encrypt to false
-#opts[:always_encrypt] = false
+client_opts = {
+  smb1: options[:smbv1],
+  smb2: options[:smbv2],
+  smb3: options[:smbv3],
+  username: options[:username],
+  password: options[:password],
+  domain: options[:domain]
+}
+#client_opts[:always_encrypt] = false
 
-client = RubySMB::Client.new(dispatcher, opts)
+client = RubySMB::Client.new(dispatcher, **client_opts)
 protocol = client.negotiate
 status = client.authenticate
 
@@ -49,7 +94,7 @@
   puts "Failed to connect to #{path}: #{e.message}"
 end
 
-file = tree.open_file(filename: filename)
+file = tree.open_file(filename: options[:file])
 
 data = file.read
 puts data
diff --git a/examples/read_registry_key_value.rb b/examples/read_registry_key_value.rb
index bf03395c..3dd9a305 100644
--- a/examples/read_registry_key_value.rb
+++ b/examples/read_registry_key_value.rb
@@ -2,23 +2,69 @@
 
 # This example script is used for testing the Winreg registry key value read functionality.
 # It will attempt to connect to a host and reads the value of a specified registry key.
-# Example usage: ruby enum_registry_key.rb 192.168.172.138 msfadmin msfadmin HKLM\\My\\Key ValueName
+# Example usage: ruby read_registry_key_value.rb --username msfadmin --password msfadmin 192.168.172.138 HKLM\\My\\Key ValueName
 # This will try to connect to \\192.168.172.138 with the msfadmin:msfadmin credentialas and reads the ValueName data corresponding to the HKLM\\My\\Key registry key.
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-registry_key = ARGV[3]
-value_name   = ARGV[4]
-smb_versions = ARGV[5]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  registry_key: nil,
+  value_name: nil
+}
+options[:value_name] = args.pop
+options[:registry_key] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target registry_key value_name"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:registry_key], options[:value_name]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:registry_key].nil? || options[:value_name].nil?
+  abort(optparser.help)
+end
+
+address = options[:target]
+registry_key = options[:registry_key]
+value_name = options[:value_name]
 
 sock = TCPSocket.new address, 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock, read_timeout: 60)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -30,4 +76,3 @@
 puts key_value
 
 client.disconnect!
-
diff --git a/examples/rename_file.rb b/examples/rename_file.rb
index c5d85929..048ae038 100644
--- a/examples/rename_file.rb
+++ b/examples/rename_file.rb
@@ -1,28 +1,71 @@
 #!/usr/bin/ruby
 
-# This example script is used for testing the deleting of a file.
+# This example script is used for testing the renaming of a file.
 # It will attempt to connect to a specific share and then rename a specified file.
-# Example usage: ruby rename_file.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE short.txt shortrenamed.txt
+# Example usage: ruby rename_file.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE short.txt shortrenamed.txt
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials
-# and rename the file short.txt
+# and rename the file short.txt to shortrenamed.txt
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-share        = ARGV[3]
-file         = ARGV[4]
-new_name     = ARGV[5]
-smb_versions = ARGV[6]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  file: nil,
+  new_name: nil
+}
+options[:new_name] = args.pop
+options[:file] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share file new_name"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:file], options[:new_name]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:file].nil? || options[:new_name].nil?
+  abort(optparser.help)
+end
 
-path     = "\\\\#{address}\\#{share}"
+path = "\\\\#{options[:target]}\\#{options[:share]}"
 
-sock = TCPSocket.new address, 445
+sock = TCPSocket.new options[:target], 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 
 protocol = client.negotiate
 status = client.authenticate
@@ -36,8 +79,8 @@
   puts "Failed to connect to #{path}: #{e.message}"
 end
 
-file = tree.open_file(filename: file, write: true, delete: true)
+file = tree.open_file(filename: options[:file], write: true, delete: true)
 
-data = file.rename(new_name)
+data = file.rename(options[:new_name])
 puts data
 file.close
diff --git a/examples/write_file.rb b/examples/write_file.rb
index a15cc613..e7ead99b 100644
--- a/examples/write_file.rb
+++ b/examples/write_file.rb
@@ -2,27 +2,70 @@
 
 # This example script is used for testing the writing to a file.
 # It will attempt to connect to a specific share and then write to a specified file.
-# Example usage: ruby write_file.rb 192.168.172.138 msfadmin msfadmin TEST_SHARE test.txt "data to write"
+# Example usage: ruby write_file.rb --username msfadmin --password msfadmin 192.168.172.138 TEST_SHARE test.txt "data to write"
 # This will try to connect to \\192.168.172.138\TEST_SHARE with the msfadmin:msfadmin credentials
-# and write "data to write" the file test.txt
+# and write "data to write" to the file test.txt
 
 require 'bundler/setup'
+require 'optparse'
 require 'ruby_smb'
 
-address      = ARGV[0]
-username     = ARGV[1]
-password     = ARGV[2]
-share        = ARGV[3]
-file         = ARGV[4]
-data         = ARGV[5]
-smb_versions = ARGV[6]&.split(',') || ['1','2','3']
+args = ARGV.dup
+options = {
+  domain: '.',
+  username: '',
+  password: '',
+  smbv1: true,
+  smbv2: true,
+  smbv3: true,
+  target: nil,
+  share: nil,
+  file: nil,
+  data: nil
+}
+options[:data] = args.pop
+options[:file] = args.pop
+options[:share] = args.pop
+options[:target] = args.pop
+optparser = OptionParser.new do |opts|
+  opts.banner = "Usage: #{File.basename(__FILE__)} [options] target share file data"
+  opts.on("--[no-]smbv1", "Enable or disable SMBv1 (default: #{options[:smbv1] ? 'Enabled' : 'Disabled'})") do |smbv1|
+    options[:smbv1] = smbv1
+  end
+  opts.on("--[no-]smbv2", "Enable or disable SMBv2 (default: #{options[:smbv2] ? 'Enabled' : 'Disabled'})") do |smbv2|
+    options[:smbv2] = smbv2
+  end
+  opts.on("--[no-]smbv3", "Enable or disable SMBv3 (default: #{options[:smbv3] ? 'Enabled' : 'Disabled'})") do |smbv3|
+    options[:smbv3] = smbv3
+  end
+  opts.on("--username USERNAME", "The account's username (default: #{options[:username]})") do |username|
+    if username.include?('\\')
+      options[:domain], options[:username] = username.split('\\', 2)
+    else
+      options[:username] = username
+    end
+  end
+  opts.on("--password PASSWORD", "The account's password (default: #{options[:password]})") do |password|
+    options[:password] = password
+  end
+end
+optparser.parse!(args)
+
+if [options[:target], options[:share], options[:file], options[:data]].any? { |a| a == '-h' || a == '--help' }
+  puts optparser.help
+  exit
+end
+
+if options[:target].nil? || options[:share].nil? || options[:file].nil? || options[:data].nil?
+  abort(optparser.help)
+end
 
-path     = "\\\\#{address}\\#{share}"
+path = "\\\\#{options[:target]}\\#{options[:share]}"
 
-sock = TCPSocket.new address, 445
+sock = TCPSocket.new options[:target], 445
 dispatcher = RubySMB::Dispatcher::Socket.new(sock)
 
-client = RubySMB::Client.new(dispatcher, smb1: smb_versions.include?('1'), smb2: smb_versions.include?('2'), smb3: smb_versions.include?('3'), username: username, password: password)
+client = RubySMB::Client.new(dispatcher, smb1: options[:smbv1], smb2: options[:smbv2], smb3: options[:smbv3], username: options[:username], password: options[:password], domain: options[:domain])
 protocol = client.negotiate
 status = client.authenticate
 
@@ -32,11 +75,11 @@
   tree = client.tree_connect(path)
   puts "Connected to #{path} successfully!"
 rescue StandardError => e
-  puts "Failed to connect to #{path}: #{e.message}"
+  abort("Failed to connect to #{path}: #{e.message}")
 end
 
-file = tree.open_file(filename: file, write: true, disposition: RubySMB::Dispositions::FILE_OVERWRITE_IF)
+file = tree.open_file(filename: options[:file], write: true, disposition: RubySMB::Dispositions::FILE_OVERWRITE_IF)
 
-result = file.write(data: data)
+result = file.write(data: options[:data])
 puts result.to_s
 file.close