PowerShell : Set Alias2019/02/21

	Set Alias for Cmdlets on PowerShell like follows if you'd like to.
[1]	Show current Alias.

PS C:\Users\Administrator> Get-Alias 

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Alias           % -> ForEach-Object
Alias           ? -> Where-Object
Alias           ac -> Add-Content
Alias           asnp -> Add-PSSnapin
Alias           cat -> Get-Content
Alias           cd -> Set-Location

.....
.....

Alias           type -> Get-Content
Alias           wget -> Invoke-WebRequest
Alias           where -> Where-Object
Alias           wjb -> Wait-Job
Alias           write -> Write-Output

[2]	Set new Alias.

# for example, set [ll] for [Get-ChildItem]
PS C:\Users\Administrator> Set-Alias ll Get-ChildItem 

PS C:\Users\Administrator> Get-Alias ll 

CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Alias           ll -> Get-ChildItem

PS C:\Users\Administrator> ll 

    Directory: C:\Users\Administrator

Mode                LastWriteTime         Length Name
----                -------------         ------ ----
d-r---       2019/02/21     11:36                3D Objects
d-r---       2019/02/21     11:36                Contacts
d-r---       2019/02/21     11:36                Desktop
d-r---       2019/02/21     11:36                Documents
d-r---       2019/02/21     11:36                Downloads
d-r---       2019/02/21     11:36                Favorites
d-r---       2019/02/21     11:36                Links
d-r---       2019/02/21     11:36                Music
d-r---       2019/02/21     11:36                Pictures
d-r---       2019/02/21     11:36                Saved Games
d-r---       2019/02/21     11:36                Searches
d-r---       2019/02/21     11:36                Videos

[3]	Alias you set by yourself are temporary one, when PowerShell end, they are cleared except default Alias, If you always set your own Alias, Set them in [$profile]. (Refer to usage of [$profile] here)

PS C:\Users\Administrator> echo 'Set-Alias ll Get-ChildItem' > $profile

[4]	Remove Alias.

# remove Alias [ll]
PS C:\Users\Administrator> Remove-Item alias:ll 

PS C:\Users\Administrator> Get-Alias ll 
Get-Alias : This command cannot find a matching alias because an alias with the name 'll' does not exist.
At line:1 char:1
+ Get-Alias ll
+ ~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (ll:String) [Get-Alias], ItemNotFoundException
    + FullyQualifiedErrorId : ItemNotFoundException,Microsoft.PowerShell.Commands.GetAliasCommand

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