chmod: Change access permissions
chmod changes the access permissions of the named files. Synopsis:
chmod [option]... mode file...
chmod never changes the permissions of symbolic links, since
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
chmod changes the permissions of the pointed-to file.
chmod ignores symbolic links encountered during
recursive directory traversals.
The first non-option argument, mode, specifies the new permissions. See the section below for details.
The program accepts the following options. Also see section Common options.
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