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Pages in category "Windows environment variables" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. A.
Standard environment variables or reserved environment variables include: %APPEND% (supported since DOS 3.3) This variable contains a semicolon-delimited list of directories in which to search for files. It is usually changed via the APPEND /E command, which also ensures that the directory names are converted into uppercase.
Windows environment variables (18 P) Pages in category "Environment variables" The following 6 pages are in this category, out of 6 total.
PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are located. In general, each executing process or user session has its own PATH setting.
The following tables list most of the file system and virtual folders that are available as of Windows Vista. The OS version in which each special folder was introduced is given as well. Items like %USERPROFILE% and %windir% are Windows environment variables.
cmd.exe in Windows NT 2000, 4DOS, 4OS2, 4NT, and a number of third-party solutions allow direct entry of environment variables from the command prompt. From at least Windows 2000, the set command allows for the evaluation of strings into variables, thus providing inter alia a means of performing integer arithmetic.
Under Windows, which also supports lowercase environment variable names, the variable name is defined as ComSpec in the environment block, but as COMSPEC inside the DOS emulator NTVDM. When not present in the environment block, the command processor CMD.EXE of Windows NT sets COMSPEC to its own full path; it evaluates COMSPEC for example to ...
The %username% and %userprofile% environment variables can also be used with Folder Redirection. Up to Windows XP, the Application Data, Desktop, My Documents, My Pictures, and Start Menu special folders can be redirected to a file server. Windows XP also implements a Recycle Bin for the My Documents folder.