environment_variables.md

Environment variables -- view/edit them on windows

• From cmd.exe, type SET and you'll see the value of all environment variables

• From Powershell, Set-Location Env:

• From Windows, method 1

  • Press [Windows][Break] -- this brings up Control Panel\All Control Panel Items\System - then Find environment variables in System Properties

• From Windows, method 2 ex

  • [Windows][R] to bring up the run dialog and type sysdm.cpl - then Find environment variables in System Properties

• From Windows, method 3

  • [Windows][R] to bring up the run dialog and type rundll32 sysdm.cpl,EditEnvironmentVariables - You are already in the environment variables dialog!

Find environment variables in System Properties

• Click "Advanced System settings" (you'll need to enter Admin password or elevate) and you'll get to "System Properties"
  • Advanced tab: click "Environment Variables..." - There you have "user variables for current user" and "System variables" - Note that those in the "user variables" section also exist in the System variables -- so think carefully about which one you mean.

Set a Persistent Environment variable from Powershell

[System.Environment]::SetEnvironmentVariable('NAME_OF_VARIABLE', 'value goes here', [System.EnvironmentVariableTarget]::User)

Environment Variables Dialog

See also

• PATH: getting it, adding to it and managing it (from powershell)