GNU Linux/Permissions/POSIX ACLs

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Summary

This page will record my efforts to learn how to use POSIX ACLs. I'm familiar with ACLs used on Windows systems and to a lesser extent Mac OS X (GUI-only), but this is my first foray into POSIX ACLs.

TODO

  • Move general permissions info (references, notes, etc) to another page

References

ACLs

umask

chmod, chown and sticky bits

General permissions

---

Goals:

Explain stuff like:

  • chmod 2755
  • setfacl -d -m group:rwx /path/to/your/dir