(fileutils.info) Symbolic Modes

 
 Symbolic Modes
 ==============
 
    "Symbolic modes" represent changes to files' permissions as
 operations on single-character symbols.  They allow you to modify either
 all or selected parts of files' permissions, optionally based on their
 previous values, and perhaps on the current `umask' as well (
 Umask and Protection.).
 
    The format of symbolic modes is:
 
      [ugoa...][[+-=][rwxXstugo...]...][,...]
 
    The following sections describe the operators and other details of
 symbolic modes.

 
* Setting Permissions          Basic operations on permissions.
* Copying Permissions          Copying existing permissions.
* Changing Special Permissions Special permissions.
* Conditional Executability    Conditionally affecting executability.
* Multiple Changes             Making multiple changes.
* Umask and Protection              The effect of the umask.

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(fileutils.info) Mode Structure

(fileutils.info) File permissions

(fileutils.info) Numeric Modes

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(fileutils.info) Symbolic Modes

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