[root@localhost liuqi]# bash --version
GNU bash, version 4.0.0(1)-release (i686-pc-linux-gnu)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. [root@localhost liuqi]# uname -a
Linux localhost 2.6.32-rc6 #26 SMP Fri Nov 6 09:48:58 CST 2009 i686 i686 i386 GNU/Linux
