Save and restore Powershell history session

Use this command to store powershell session history into xml file
Get-History | Export-Clixml "c:\scripts\my_history.xml"

Use this to restore Powershell history from file.
Import-Clixml "C:\PowershellSession.xml" |Add-History

How to show the list of command history?
h or Get-History

How can i find out the alias for Get-History?
Get-Alias -Definition Get-History



What to do if I have duplicate command in the history?
We wish to have a unique entry per command. Edit the window properties and check 'Discard Old Duplicates'.