Delete a variable and its value.
Syntax Remove-Variable [[-Name] String[] ] [-Include string] [-Exclude string] [-scope string] [-force] [-whatIf] [-confirm] [CommonParameters ] Key -Name The name of the variable(s) to be removed. -include string Delete only the specified items. Wildcards are permitted. Qualifies the -Name parameter. -Exclude string Omit the specified items. Wildcards are permitted. Qualifies the -Name parameter. -Scope string The scope in which this alias is valid. Valid values are "Global", "Local", "Private" or "Script", or a number relative to the current scope ( 0 through the number of scopes, where 0 is the current scope and 1 is its parent). "Local" is the default. For more, type "get-help about_scopes". -Force Override restrictions that prevent the command from succeeding, apart from security settings. e.g. -force will override a files read-only attribute, but will not remove a constant. -WhatIf Describe what would happen if you executed the command without actually executing the command. -Confirm Prompt for confirmation before executing the command.
Standard Aliases for Remove-Variable: rv
Remove-Variable deletes a variable and its value from the scope in which it is defined, such as the current session.
This cmdlet cannot delete variables that are set as constants or those that are owned by the system.
Remove an existing variable $myvar:
PS C:\> Remove-Variable myvar
"If any question why we died, Tell them, because our fathers lied" ~ Rudyard Kipling
Clear-Variable - Remove the value from a variable.
Get-Variable - Get a PowerShell variable.
New-Variable - Create a new variable.
Set-Variable - Set a variable and a value.
Environment Variables
Equivalent bash command: unset - Remove variable or function names.