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 system	Cross-platform
Type	Command

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

• exit (system call)
• Exit status
• List of Unix commands
• List of DOS commands