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'\"
'\" Copyright (c) 1993 The Regents of the University of California.
'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
'\" Copyright (c) 2006 Donal K. Fellows.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: exec.n,v 1.26 2010/01/20 13:40:23 dkf Exp $
'\" RCS: @(#) $Id: exec.n,v 1.26.2.1 2010/03/30 08:45:59 rmax Exp $
'\"
.so man.macros
.TH exec n 8.5 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
exec \- Invoke subprocesses
.SH SYNOPSIS
\fBexec \fR?\fIswitches\fR? \fIarg \fR?\fIarg ...\fR?
\fBexec \fR?\fIswitches\fR? \fIarg \fR?\fIarg ...\fR? ?\fB&\fR?
.BE
.SH DESCRIPTION
.PP
This command treats its arguments as the specification
of one or more subprocesses to execute.
The arguments take the form of a standard shell pipeline
where each \fIarg\fR becomes one word of a command, and
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