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exitposix - Online in the Cloud

Run exitposix in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command exitposix that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


exit — cause the shell to exit

SYNOPSIS


exit [n]

DESCRIPTION


The exit utility shall cause the shell to exit with the exit status specified by the
unsigned decimal integer n. If n is specified, but its value is not between 0 and 255
inclusively, the exit status is undefined.

A trap on EXIT shall be executed before the shell terminates, except when the exit utility
is invoked in that trap itself, in which case the shell shall exit immediately.

OPTIONS


None.

OPERANDS


See the DESCRIPTION.

STDIN


Not used.

INPUT FILES


None.

ENVIRONMENT VARIABLES


None.

ASYNCHRONOUS EVENTS


Default.

STDOUT


Not used.

STDERR


The standard error shall be used only for diagnostic messages.

OUTPUT FILES


None.

EXTENDED DESCRIPTION


None.

EXIT STATUS


The exit status shall be n, if specified. Otherwise, the value shall be the exit value of
the last command executed, or zero if no command was executed. When exit is executed in a
trap action, the last command is considered to be the command that executed immediately
preceding the trap action.

CONSEQUENCES OF ERRORS


Default.

The following sections are informative.

APPLICATION USAGE


None.

EXAMPLES


Exit with a true value:

exit 0

Exit with a false value:

exit 1

RATIONALE


As explained in other sections, certain exit status values have been reserved for special
uses and should be used by applications only for those purposes:

126 A file to be executed was found, but it was not an executable utility.

127 A utility to be executed was not found.

>128 A command was interrupted by a signal.

FUTURE DIRECTIONS


None.

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