1SU(1) User Commands SU(1)
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6 su - run a shell with substitute user and group IDs
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9 su [OPTION]... [-] [USER [ARG]...]
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12 Change the effective user id and group id to that of USER.
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14 -, -l, --login
15 make the shell a login shell
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17 -c, --command=COMMAND
18 pass a single COMMAND to the shell with -c
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20 --session-command=COMMAND
21 pass a single COMMAND to the shell with -c and do not create a
22 new session
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24 -f, --fast
25 pass -f to the shell (for csh or tcsh)
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27 -m, --preserve-environment
28 do not reset environment variables
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30 -p same as -m
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32 -s, --shell=SHELL
33 run SHELL if /etc/shells allows it
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35 --help display this help and exit
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37 --version
38 output version information and exit
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40 A mere - implies -l. If USER not given, assume root.
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43 Written by David MacKenzie.
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46 Report su bugs to bug-coreutils@gnu.org
47 GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
48 General help using GNU software: <http://www.gnu.org/gethelp/>
49 Report su translation bugs to <http://translationproject.org/team/>
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52 Copyright © 2010 Free Software Foundation, Inc. License GPLv3+: GNU
53 GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
54 This is free software: you are free to change and redistribute it.
55 There is NO WARRANTY, to the extent permitted by law.
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58 The full documentation for su is maintained as a Texinfo manual. If
59 the info and su programs are properly installed at your site, the com‐
60 mand
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62 info coreutils 'su invocation'
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64 should give you access to the complete manual.
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68GNU coreutils 8.5 November 2010 SU(1)