Sometimes you need to use an environment variable (eg. username, userprofile, computername, …) in Powershell.

The location where environment variables are stored is “env:”. This behaves similar to a hard or flash drive. You can list its content or browse it by using

dir env:

The output shows all existing environment variables you can use. But how to use them?

You can get every environment variable by using the get-content or for short gc cmdlet.

$computername = get-content env:computername
$username = gc env:username

List of environment variables in Windows 7 / XP

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