1CHGRP(1) User Commands CHGRP(1)
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6 chgrp - change group ownership
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9 chgrp [OPTION]... GROUP FILE...
10 chgrp [OPTION]... --reference=RFILE FILE...
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13 Change the group of each FILE to GROUP. With --reference, change the
14 group of each FILE to that of RFILE.
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16 -c, --changes
17 like verbose but report only when a change is made
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19 -f, --silent, --quiet
20 suppress most error messages
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22 -v, --verbose
23 output a diagnostic for every file processed
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25 --dereference
26 affect the referent of each symbolic link (this is the default),
27 rather than the symbolic link itself
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29 -h, --no-dereference
30 affect symbolic links instead of any referenced file (useful
31 only on systems that can change the ownership of a symlink)
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33 --no-preserve-root
34 do not treat '/' specially (the default)
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36 --preserve-root
37 fail to operate recursively on '/'
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39 --reference=RFILE
40 use RFILE's group rather than specifying a GROUP value
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42 -R, --recursive
43 operate on files and directories recursively
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45 The following options modify how a hierarchy is traversed when the -R
46 option is also specified. If more than one is specified, only the fi‐
47 nal one takes effect.
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49 -H if a command line argument is a symbolic link to a directory,
50 traverse it
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52 -L traverse every symbolic link to a directory encountered
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54 -P do not traverse any symbolic links (default)
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56 --help display this help and exit
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58 --version
59 output version information and exit
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62 chgrp staff /u
63 Change the group of /u to "staff".
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65 chgrp -hR staff /u
66 Change the group of /u and subfiles to "staff".
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69 Written by David MacKenzie and Jim Meyering.
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72 GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
73 Report any translation bugs to <https://translationproject.org/team/>
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76 Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
77 GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
78 This is free software: you are free to change and redistribute it.
79 There is NO WARRANTY, to the extent permitted by law.
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82 chown(1), chown(2)
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84 Full documentation <https://www.gnu.org/software/coreutils/chgrp>
85 or available locally via: info '(coreutils) chgrp invocation'
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89GNU coreutils 9.1 January 2023 CHGRP(1)