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exit (command)
Command of many operating system command line interpreters and scripting languages

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

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.

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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 6.09 and Datalight ROM-DOS10 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

Further reading

  • Cooper, Jim (2001). Special Edition Using MS-DOS 6.22, Third Edition. Que Publishing. ISBN 978-0789725738.
  • Dyson, Peter (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.
Wikibooks has a book on the topic of: Guide to Windows Commands The Wikibook Guide to Unix has a page on the topic of: Commands

References

  1. MSX-DOS version 2 https://archive.org/details/MSXDOS2 ↩

  2. "JaTomes Help - OS/2 Commands". www.jatomes.com. Archived from the original on 2019-04-14. https://web.archive.org/web/20190414130029/http://www.jatomes.com/Help/Os2Cmd.php ↩

  3. "User Guide" (PDF). www.bitsavers.org. Archived from the original (PDF) on 2018-09-14. Retrieved 2018-09-16. https://web.archive.org/web/20180914132130/http://www.bitsavers.org/pdf/digitalResearch/flexos/1073-2003_FlexOS_Users_Guide_V1.3_Nov86.pdf ↩

  4. "MPE/iX Command Reference Manual" (PDF). Archived from the original (PDF) on 2018-10-21. Retrieved 2023-08-05. https://web.archive.org/web/20181021232213/http://www.teamnaconsulting.com/compresources/pdfs/c01687363.pdf ↩

  5. "Shell - KolibriOS wiki". wiki.kolibrios.org. http://wiki.kolibrios.org/wiki/Shell ↩

  6. "Data". www.symbos.de. http://www.symbos.de/appinfo.htm?00025 ↩

  7. Archiveddocs. "Exit3". docs.microsoft.com. https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc770929(v%3dws.11) ↩

  8. Wolverton, Van (2003). Running MS-DOS Version 6.22 (20th Anniversary Edition), 6th Revised edition. Microsoft Press. ISBN 0-7356-1812-7. 0-7356-1812-7 ↩

  9. DR DOS 6.0 User Guide Optimisation and Configuration Tips https://www.4corn.co.uk/archive/docs/DR%20DOS%206.0%20User%20Guide-opt.pdf ↩

  10. "Datalight ROM-DOS User's Guide" (PDF). www.datalight.com. https://www.datalight.com/assets/files/ROM-DOS_Users_Guide.pdf ↩

  11. "Terminate MATLAB program (Same as quit) - MATLAB exit". https://www.mathworks.com/help/matlab/ref/exit.html ↩