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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