su man page on CentOS

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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 © 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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