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How To How to Navigate Using Environment Variables in Windows

By Mary Landesman, About.com

When searching a particular folder or performing some other operation via the Start | Run menu, the use of environment variables can save typing and thus cut down on possible errors. Following are common environment variables that can be used to more quickly and efficiently enter pathnames.
Difficulty: Easy
Time Required: 1 minute
Here's How:
  1. To begin, open the Start | Run dialog by clicking the Windows Start button and selecting Run
  2. To navigate to the "All Users" folder (by default C:\Documents and Settings\All Users), type in:

    %ALLUSERSPROFILE%

  3. To navigate to the "Program Files" folder (by default C:\Program Files), type in:

    %PROGRAMFILES%

  4. To navigate to the Windows XP root folder (usually C:\Windows), type in one of the following:

    %SYSTEMROOT%
    - or -
    %WINDIR%

  5. To navigate to the Windows temporary files folder, type in:

    %TEMP%

  6. To navigate to the Windows Application Data folder, type in:

    %APPDATA%

  7. To navigate to the logged in user's folder, type in:

    %HOMEPATH%

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