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SU(1)				 User Commands				 SU(1)



NAME
       su - run a shell with substitute user and group IDs

SYNOPSIS
       su [OPTION]... [-] [USER [ARG]...]

DESCRIPTION
       Change the effective user id and group id to that of USER.

       -, -l, --login
	      make the shell a login shell

       -c, --command=COMMAND
	      pass a single COMMAND to the shell with -c

       --session-command=COMMAND
	      pass  a  single COMMAND to the shell with -c and do not create a
	      new session

       -f, --fast
	      pass -f to the shell (for csh or tcsh)

       -m, --preserve-environment
	      do not reset environment variables

       -p     same as -m

       -s, --shell=SHELL
	      run SHELL if /etc/shells allows it

       --help display this help and exit

       --version
	      output version information and exit

       A mere - implies -l.   If USER not given, assume root.

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright (C) 2006 Free Software Foundation, Inc.
       This is free software.  You may redistribute copies  of	it  under  the
       terms	   of	    the	     GNU      General	   Public      License
       <http://www.gnu.org/licenses/gpl.html>.	There is NO WARRANTY,  to  the
       extent permitted by law.

SEE ALSO
       The  full  documentation	 for su is maintained as a Texinfo manual.  If
       the info and su programs are properly installed at your site, the  com-
       mand

	      info su

       should give you access to the complete manual.



su 5.97				  March 2012				 SU(1)
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