Remove-Variable - PowerShell 1.0
Microsoft Windows PowerShell is a command-line shell and scripting tool based on the Microsoft .NET Framework. It is designed for system administrators, engineers and developers to control and automate the administration of Windows and applications.
More than hundred command-line tools (so called "cmdlets") can be used to perform system administration tasks and Windows Management Instrumentation (WMI). These cmdlets are easy to use, with standard naming conventions and common parameters, and standard tools for piping, sorting, filtering, and formatting data and objects.
Remove-Variable
Description
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Usage
Options
-Name
The name of the variable(s) to be removed.
-include string
Delete only the specified items.
Wildcards are permitted.
-exclude string
Omit the specified items. Wildcards are permitted.
-valueOnly
Get only the value of the variable.
-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_scope".
-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 change file permissions.
-whatIf
Describe what would happen if you executed the command without
actually executing the command.
-confirm
Prompt for confirmation before executing the command.
CommonParameters:
-Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutVariable.
Example(s)
Remove an existing variable $myvar:
PS C:\>remove-variable myvar