Get Alias - PowerShell

Overview

Get-Alias retrieves aliases defined in the current PowerShell session or from a specified module. Aliases provide alternative, shorter names for commands, functions, and scripts.

Syntax

Get-Alias [-Name] <string[]> [-Definition] <string[]> [-Module] <string[]> [-Version] <string[]>
          [-All] [-Format {table | list | custom}] [-Wait] [-ErrorAction {Stop | Continue | SilentlyContinue}]
          [-ErrorVariable <string>] [-OutFile <string>] [-OutVariable <string>] [-PassThru] [-WhatIf]
          [-Confirm] [-Filter <string>] [-ThrottleLimit <int>] [-IncludeHidden]

Options/Flags

  • -Name: Retrieves aliases with the specified name or alias patterns.
  • -Definition: Filters aliases by their definition, including wildcards.
  • -Module: Lists aliases from the specified module name, version, or path.
  • -Version: Retrieves aliases from the specified module version or range.
  • -All: Returns all aliases, including aliases hidden by higher-precedence aliases.
  • -Format: Specifies the output format.
  • -Wait: Waits for the command to complete before returning.
  • -ErrorAction: Specifies how errors are handled.
  • -ErrorVariable: Assigns errors to the specified variable.
  • -OutFile: Saves the output to the specified file.
  • -OutVariable: Assigns the output to the specified variable.
  • -PassThru: Passes the retrieved aliases to the pipeline.
  • -WhatIf: Displays what would happen without actually performing the action.
  • -Confirm: Prompts for confirmation before executing the command.
  • -Filter: Filters aliases based on a specified expression.
  • -ThrottleLimit: Sets the maximum number of concurrent operations.
  • -IncludeHidden: Includes hidden aliases in the output.

Examples

Example 1: Get all aliases

Get-Alias

Example 2: Get aliases with a specific name

Get-Alias -Name Get*

Example 3: Get aliases defined in the PSSnapIn module

Get-Alias -Module PSSnapIn

Common Issues

  • Aliases not found: Ensure the specified aliases exist or check for typos.
  • Output formatting errors: Use -Format table or -Format list to improve readability.
  • Hidden aliases: Use -IncludeHidden to display aliases hidden by higher-precedence ones.

Integration

  • Combine with New-Alias to create custom aliases.
  • Use Get-Command to find commands associated with specific aliases.
  • Utilize Import-Module to load modules and access aliases from other modules.
  • New-Alias
  • Remove-Alias
  • Set-Alias
  • Get-Command