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`chmod': Change access permissions

   `chmod' changes the access permissions of the named files.  Synopsis:

     chmod [OPTION]... {MODE | --reference=REF_FILE} FILE...

   `chmod' never changes the permissions of symbolic links, since the
`chmod' system call cannot change their permissions.  This is not a
problem since the permissions of symbolic links are never used.
However, for each symbolic link listed on the command line, `chmod'
changes the permissions of the pointed-to file.  In contrast, `chmod'
ignores symbolic links encountered during recursive directory

   If used, MODE specifies the new permissions.  For details, see the
section on Note: File permissions.

   The program accepts the following options.  Also see Note: Common

     Verbosely describe the action for each FILE whose permissions
     actually changes.

     Do not print error messages about files whose permissions cannot be

     Verbosely describe the action or non-action taken for every FILE.

     Change the mode of each FILE to be the same as that of REF_FILE.
     Note: File permissions.  If REF_FILE is a symbolic link, do not
     use the mode of the symbolic link, but rather that of the file it
     refers to.

     Recursively change permissions of directories and their contents.

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