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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 10 Jul 2011 15:02:25 +0000 (UTC)
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Subject: cvs commit: src/bin/sh sh.1
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jilles      2011-07-10 15:02:25 UTC

  FreeBSD src repository

  Modified files:
    bin/sh               sh.1 
  Log:
  SVN rev 223909 on 2011-07-10 15:02:25Z by jilles
  
  sh(1): Extend documentation about subshells.
  
  Because sh executes commands in subshell environments without forking in
  more and more cases (particularly from 8.0 on), it makes sense to describe
  subshell environments more precisely using ideas from POSIX, together with
  some FreeBSD-specific items.
  
  In particular, the hash and times builtins may not behave as if their state
  is copied for a subshell environment while leaving the parent shell
  environment unchanged.
  
  Revision  Changes    Path
  1.174     +46 -8     src/bin/sh/sh.1