I have a folder named docs, how do I add rwx permissions for group devs to docs?

I tried:

chmod -R g+rwx docs

but I don't know where to specify that it's the devs group I want to grant permissions for.

5 Answers 5


What you did is right but first you may have to change the group to "devs" with the chgrp or chown command. Note that in unixland a file only has one group.

  • 2
    A file/folder only has one group unless you have ACLs turned on.
    – Chris S
    Apr 29, 2010 at 0:10

You're probably looking for chown or chgrp

  • 1
    chown [user]:[group] [file] or chgrp [group] [file]
    – Chris S
    Apr 29, 2010 at 0:10

You can specify the group of the file using the chgrp command.


First thing to do is:

chown -R <user>:devs docs


chmod -R 070 docs

That will give rwx to the group of docs and no permissions to the rest, if you want the owner to have the same permissions then do:

chmod -R 770 docs

You probably have umask set to 0022. Do:

umask 0002
chmod -R g+rwx
umask 0022

That should work

  • umask affects file creation. You don't need to change it in order to be able to chmod a file. Apr 29, 2010 at 7:30

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