Clear-History - PowerShell command help and examples

Deletes entries from the command history. (Clear-History)

... Examples      
 NAME
 
    Clear-History 

 SYNOPSIS
 
    Deletes entries from the command history. 

 SYNTAX
 
    Clear-History [[-Id] <Int32[]>] [[-Count] <int>] [-Newest] [-Confirm] [-WhatIf] [<CommonParameters>] 

    Clear-History [[-Count] <int>] [-CommandLine <string[]>] [-Newest] [-Confirm] [-WhatIf] [<CommonParameters>] 

 DESCRIPTION
 
    The Clear-History cmdlet deletes commands from the command history, that is, the list of commands entered during the current session. 

    Without parameters, Clear-History deletes all commands from the session history, but you can use the parameters of Clear-History to delete selected commands. 

 PARAMETERS
 
    -CommandLine <string[]> 
        Deletes commands with the specified text strings. If you enter more than one string, Clear-History deletes commands with any of the strings. 

        Required?                    false 
        Position?                    named 
        Default value 
        Accept pipeline input?       false 
        Accept wildcard characters?  true 

    -Count <int> 
        Clears the specified number of  history entries, beginning with the oldest entry in the history. 

        If you use the Count and Id parameters in the same command, the cmdlet clears the number of entries specified by the Count parameter, beginning with the entry specified by the Id parameter.  For example, if Count is 10 and Id is 30, Clear-History clears items 21 through 30 inclusive. 

        If you use the Count and CommandLine parameters in the same command, Clear-History clears the number of entries specified by the Count parameter, beginning with the entry specified by the CommandLine parameter. 

        Required?                    false 
        Position?                    2 
        Default value 
        Accept pipeline input?       false 
        Accept wildcard characters?  false 

    -Id <Int32[]> 
        Deletes commands with the specified history IDs. 

        To find the history ID of a command, use Get-History. 

        Required?                    false 
        Position?                    1 
        Default value                None 
        Accept pipeline input?       false 
        Accept wildcard characters?  false 

    -Newest [<SwitchParameter>] 
        Deletes the newest entries in the history. By default, Clear-History deletes the oldest entries in the history. 

        Required?                    false 
        Position?                    named 
        Default value                False 
        Accept pipeline input?       false 
        Accept wildcard characters?  false 

    -Confirm [<SwitchParameter>] 
        Prompts you for confirmation before executing the command. 

        Required?                    false 
        Position?                    named 
        Default value 
        Accept pipeline input?       false 
        Accept wildcard characters?  false 

    -WhatIf [<SwitchParameter>] 
        Describes what would happen if you executed the command without actually executing the command. 

        Required?                    false 
        Position?                    named 
        Default value 
        Accept pipeline input?       false 
        Accept wildcard characters?  false 

    <CommonParameters> 
        This cmdlet supports the common parameters: Verbose, Debug, 
        ErrorAction, ErrorVariable, WarningAction, WarningVariable, 
        OutBuffer and OutVariable. For more information, type, 
        "get-help about_commonparameters". 

 INPUTS
 
    None 
        You cannot pipe objects to Clear-History. 

 OUTPUTS
 
    None 
        This cmdlet does not generate any output. 

 NOTES
 

        The session history is a list of the commands entered during the session. You can view the history, add and delete commands, and run commands from the history. For more information, see about_History. 

        Deleting a command from the history does not change the history IDs of the remaining items in the command history. 

 Examples
    
EXAMPLE 1
 

    C:\PS>clear-history 

     Description
 
    ----------- 
    Deletes all commands from the session history. 

    
EXAMPLE 2
 

    C:\PS>clear-history -id 23, 25 

     Description
 
    ----------- 
    Deletes the commands with history IDs 23 and 25. 

    
EXAMPLE 3
 

    C:\PS>clear-history -command *help*, *command 

     Description
 
    ----------- 
    Deletes commands that include "help" or end in "command". 

    
EXAMPLE 4
 

    C:\PS>clear-history -count 10 -newest 

     Description
 
    ----------- 
    Deletes the 10 newest commands from the history. 

    
EXAMPLE 5
 

    C:\PS>clear-history -id 10 -count 3 

     Description
 
    ----------- 
    Deletes the three oldest commands, beginning with the entry with ID 10. 

RELATED LINKS 
    Online version: http://go.microsoft.com/fwlink/?LinkID=135199 
    about_History 
    Get-History 
    Add-History 
    Invoke-History 

C:\Windows>powershell get-help Register-PSSessionConfiguration -full 

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