Windows PowerShell command on Get-command Remove-Variable

NAME
    Remove-Variable
    
SYNOPSIS
    Deletes a variable and its value.
    
    
SYNTAX
    Remove-Variable [-Name]  [-Confirm] [-Exclude ] [-Force] [-Include ] [-Scope 
    ] [-WhatIf] []
    
    
DESCRIPTION
    The Remove-Variable cmdlet deletes a variable and its value from the scope in which it is defined, such as the 
    current session. You cannot use this cmdlet to delete variables that are set as constants or those that are owned 
    by the system.
    

PARAMETERS
    -Confirm []
        Prompts you for confirmation before running the cmdlet.
        
        Required?                    false
        Position?                    named
        Default value                False
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    -Exclude 
        Specifies an array of items that this cmdlet omits from the operation. The value of this parameter qualifies 
        the Name parameter. Enter a name element or pattern, such as "s*". Wildcards are permitted.
        
        Required?                    false
        Position?                    named
        Default value                None
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    -Force []
        Indicates that the cmdlet removes a variable even if it is read-only. Even using the Force parameter, the 
        cmdlet cannot remove a constant.
        
        Required?                    false
        Position?                    named
        Default value                False
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    -Include 
        Specifies an array of items that this cmdlet deletes in the operation. The value of this parameter qualifies 
        the Name parameter. Enter a name element or pattern, such as s*. Wildcards are permitted.
        
        Required?                    false
        Position?                    named
        Default value                None
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    -Name 
        Specifies the name of the variable to be removed. The parameter name ( Name ) is optional.
        
        Required?                    true
        Position?                    0
        Default value                None
        Accept pipeline input?       True (ByPropertyName)
        Accept wildcard characters?  false
        
    -Scope 
        Gets only the variables in the specified scope. The acceptable values for this parameter are:
        
        - Global
        
        - Local
        
        - Script
        
        - 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 information, see about_Scopes.
        
        
        Required?                    false
        Position?                    named
        Default value                None
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    -WhatIf []
        Shows what would happen if the cmdlet runs. The cmdlet is not run.
        
        Required?                    false
        Position?                    named
        Default value                False
        Accept pipeline input?       False
        Accept wildcard characters?  false
        
    
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer, PipelineVariable, and OutVariable. For more information, see 
        about_CommonParameters (https:/go.microsoft.com/fwlink/?LinkID=113216). 
    
INPUTS
    System.Management.Automation.PSVariable
        You can pipe a variable object to Remove-Variable .
    
    
OUTPUTS
    None
        This cmdlet does not return any output.
    
    
NOTES
    
    
        Changes affect only the current scope, such as a session. To delete a variable from all sessions, add a 
        Remove-Variable * command to your Windows PowerShell profile.
        
        You can also refer to Remove-Variable by its built-in alias, rv . For more information, see about_Aliases.
        
        *
    
    Example 1: Remove a variable
    
    PS C:\>Remove-Variable Smp
    
    This command deletes the $Smp variable.
    
RELATED LINKS
    Online Version: http://go.microsoft.com/fwlink/?LinkId=821852
    Clear-Variable 
    Get-Variable 
    New-Variable 
    Set-Variable