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From: Charles Swiger <cswiger@mac.com>
Date: Thu, 31 Mar 2005 18:26:44 -0500
To: Gert Cuykens <gert.cuykens@gmail.com>
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Subject: Re: .xinitrc
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On Mar 31, 2005, at 6:17 PM, Gert Cuykens wrote:
> thx ps what is the difference between exec and without exec

Read "man sh":

      exec [command [arg ...]]
              Unless command is omitted, the shell process is replaced 
with the
              specified program (which must be a real program, not a 
shell
              built-in command or function).  Any redirections on the 
exec com-
              mand are marked as permanent, so that they are not undone 
when
              the exec command finishes.

-- 
-Chuck