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SU(1)                            User Commands                           SU(1)

       su - run a shell with substitute user and group IDs

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

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

       -, -l, --login
              make the shell a login shell, clears all envvars except for TERM, initializes HOME, SHELL, USER, LOGNAME
              and PATH

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

              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 HOME, SHELL, USER, LOGNAME environment variables

       -p     same as -m

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

       --help display this help and exit

              output version information and exit

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

       Written by David MacKenzie.

       Report su bugs to
       GNU coreutils home page: <>;
       General help using GNU software: <>;
       Report su translation bugs to <>;

       Copyright  (C)  2010  Free  Software  Foundation,  Inc.   License  GPLv3+:   GNU   GPL   version   3   or   later
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permit-
       ted by law.

       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 coreutils 'su invocation'

       should give you access to the complete manual.

GNU coreutils 8.4                 March 2017                             SU(1)