exit (command)

In computing, exit is a command used in many operating system command-line shells and scripting languages.

exit
The ReactOS exit command
Developer(s)Various open-source and commercial developers
Operating systemCross-platform
TypeCommand

The command causes the shell or program to terminate. If performed within an interactive command shell, the user is logged out of their current session, and/or user's current console or terminal connection is disconnected. Typically an optional exit code can be specified, which is typically a simple integer value that is then returned to the parent process.

Implementations

Operating systems, shells and scripting languages providing this command include Microsoft MSX-DOS version 2,[1] IBM OS/2,[2] DR FlexOS,[3] HP MPE/iX,[4] KolibriOS[5], SymbOS[6], cmd.exe[7], sh, ksh, Perl, AWK, PHP, TCL, PowerShell and others.

On MS-DOS, the command is available in versions 2 and later.[8] DR DOS 6.0[9] and Datalight ROM-DOS[10] also include an implementation of the exit command. It is also available in the open source MS-DOS emulator DOSBox.

The numerical computing environment MATLAB includes an exit function with similar functionality.[11]

See also

References
  1. MSX-DOS version 2
  2. http://www.jatomes.com/Help/Os2Cmd.php#EXIT
  3. "User Guide" (PDF). www.bitsavers.org.
  4. "MPE/iX Command Reference Manual" (PDF).
  5. "Shell - KolibriOS wiki". wiki.kolibrios.org.
  6. "Data". www.symbos.de.
  7. Archiveddocs. "Exit3". docs.microsoft.com.
  8. Wolverton, Van (2003). Running MS-DOS Version 6.22 (20th Anniversary Edition), 6th Revised edition. Microsoft Press. ISBN 0-7356-1812-7.
  9. DR DOS 6.0 User Guide Optimisation and Configuration Tips
  10. "Datalight ROM-DOS User's Guide" (PDF). www.datalight.com.
  11. https://www.mathworks.com/help/matlab/ref/exit.html

Further reading
  • Cooper, Jim (2001). Special Edition Using MS-DOS 6.22, Third Edition. Que Publishing. ISBN 978-0789725738.
  • Peter Dyson (1995). Mastering OS/2 Warp. Sybex. ISBN 978-0782116632.
  • Barrett, Daniel J. (2012). Macintosh Terminal Pocket Guide: Take Command of Your Mac. O'Reilly. ISBN 978-1449328986.
  • Stanek, William R. (2008). Windows Command-Line Administrator's Pocket Consultant, 2nd Edition. Microsoft Press. ISBN 978-0735622623.
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