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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
+.TH "EXIT" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" exit
+.SH NAME
+exit \- cause the shell to exit
+.SH SYNOPSIS
+.LP
+\fBexit\fP \fB[\fP\fIn\fP\fB]\fP
+.SH DESCRIPTION
+.LP
+The \fIexit\fP utility shall cause the shell to exit with the exit
+status specified by the unsigned decimal integer \fIn\fP.
+If \fIn\fP is specified, but its value is not between 0 and 255 inclusively,
+the exit status is undefined.
+.LP
+A \fItrap\fP on \fBEXIT\fP shall be executed before the shell terminates,
+except when the
+\fIexit\fP utility is invoked in that \fItrap\fP itself, in which
+case the shell shall exit
+immediately.
+.SH OPTIONS
+.LP
+None.
+.SH OPERANDS
+.LP
+See the DESCRIPTION.
+.SH STDIN
+.LP
+Not used.
+.SH INPUT FILES
+.LP
+None.
+.SH ENVIRONMENT VARIABLES
+.LP
+None.
+.SH ASYNCHRONOUS EVENTS
+.LP
+Default.
+.SH STDOUT
+.LP
+Not used.
+.SH STDERR
+.LP
+The standard error shall be used only for diagnostic messages.
+.SH OUTPUT FILES
+.LP
+None.
+.SH EXTENDED DESCRIPTION
+.LP
+None.
+.SH EXIT STATUS
+.LP
+The exit status shall be \fIn\fP, if specified. Otherwise, the value
+shall be the exit value of the last command executed, or
+zero if no command was executed. When \fIexit\fP is executed in a
+\fItrap\fP action, the
+last command is considered to be the command that executed immediately
+preceding the \fItrap\fP action.
+.SH CONSEQUENCES OF ERRORS
+.LP
+Default.
+.LP
+\fIThe following sections are informative.\fP
+.SH APPLICATION USAGE
+.LP
+None.
+.SH EXAMPLES
+.LP
+Exit with a \fItrue\fP value:
+.sp
+.RS
+.nf
+
+\fBexit 0
+\fP
+.fi
+.RE
+.LP
+Exit with a \fIfalse\fP value:
+.sp
+.RS
+.nf
+
+\fBexit 1
+\fP
+.fi
+.RE
+.SH RATIONALE
+.LP
+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:
+.TP 7
+\ 126
+A file to be executed was found, but it was not an executable utility.
+.TP 7
+\ 127
+A utility to be executed was not found.
+.TP 7
+>128
+A command was interrupted by a signal.
+.sp
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fISpecial Built-In Utilities\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .