Directory Access Permissions - permission to do what?
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- For a directory, 'read' means permission to view the list of files
in the directory.
- 'write' means permission to create new files in the directory.
- 'execute' means permission to access files in the directory.
- Thus, in order to be able to read the contents of a file, the User
must have 'execute' permission on all directories on the way to the file,
and 'read' permission on the file itself.
- For example, in order to read the file "/etc/passwd", the User must have
all of the following permissions:
- 'x' permission on directory "/"
- 'x' permission on directory "/etc"
- 'r' permission on the file "/etc/passwd" itself