tldr/pages/common/chmod.md

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chmod

Change the access permissions of a file or directory

  • Give the (u)ser who owns a file the right to e(x)ecute it

chmod u+x {{file}}

  • Give the user rights to (r)ead and (w)rite to a file/directory

chmod u+rw {{file}}

  • Remove executable rights from the (g)roup

chmod g-x {{file}}

  • Give (a)ll users rights to read and execute

chmod a+rx {{file}}

  • Give (o)thers (not in the file owner's group) the same rights as the group

chmod o=g {{file}}