Nothing so special on command Get-Alias, but you may get to know the real name of the PowerShell command associated with an alias. We found it very useful, at least for those who just started to learn on PowerShell as peoples are being living with Linux command for a long time.
Below are some examples on getting the aliases. The first is to list all the available aliases in the PowerShell. The 2nd and 3rd example, to list on the specific alias.
PS C:\> get-alias | more
CommandType Name ModuleName
----------- ---- ----------
Alias cat -> Get-Content
Alias cd -> Set-Location
Alias chdir -> Set-Location
Alias clc -> Clear-Content
Alias clear -> Clear-Host
Alias clhy -> Clear-History
Alias cli -> Clear-Item
Alias clp -> Clear-ItemProperty
Alias cls -> Clear-Host
Alias clv -> Clear-Variable
Alias cnsn -> Connect-PSSession
Alias compare -> Compare-Object
Alias copy -> Copy-Item
Alias cp -> Copy-Item
Alias cpi -> Copy-Item
Alias cpp -> Copy-ItemProperty
Alias curl -> Invoke-WebRequest
Alias cvpa -> Convert-Path
Alias dbp -> Disable-PSBreakpoint
Alias del -> Remove-Item
Alias diff -> Compare-Object
Alias dir -> Get-ChildItem
Alias dnsn -> Disconnect-PSSession
Alias ebp -> Enable-PSBreakpoint
Alias echo -> Write-Output
Alias epal -> Export-Alias
Alias epcsv -> Export-Csv
Alias epsn -> Export-PSSession
Alias erase -> Remove-Item
PS C:\> get-alias copy
CommandType Name ModuleName
----------- ---- ----------
Alias copy -> Copy-Item
PS C:\> get-alias md
CommandType Name ModuleName
----------- ---- ----------
Alias md -> mkdir
