Module 0158: Groups, users, and permissions

Module 0158: Groups, users, and permissions

Tak Auyeung, Ph.D.

March 30, 2009

1 About this module
2 The players
2.1 Users
2.2 Groups
2.3 Others
3 Permissions and ownership
4 chown and chmod
4.1 chmod permission specifications
4.2 Special flags
5 Default home directory permissions
5.1 What are we protecting?
5.2 Special considerations
5.3 Setting the default