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

       -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-sh-utils@gnu.org>.


COPYRIGHT

       Copyright © 2000 Free Software Foundation, Inc.
       This is free software; see the source for  copying  condi­
       tions.  There is NO warranty; not even for MERCHANTABILITY
       or FITNESS FOR A PARTICULAR PURPOSE.


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 command

              info su

       should give you access to the complete manual.


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