Korn Shell Programming by Example

exit

Official Description

Causes the shell to exit with the exit status specified by n.

Syntax

exit [n]

Options

None

Oddities

If n is omitted, the exit status is that of the last command executed.

The $? variable is changed after each command, including null commands (carriage returns).

Example

$ print $$                   # Current pid
3972
$
$ ksh                        # Make child process
$
$ print $$                   # Child pid
4128
$
$ exit 5                     # Exit from child with failing status
$ print $?
5                            # Display status
$