Devices,+Linux+File+systems,+File+system+Hierarchy+Standard

=Use File Permissions To Control Access To Files=

Reference: [|WikiBooks LPI Linux Certification book] What we'll learn in this section:
 * Reading ls -l output ([|Understanding Linux file permissions] is a good article on the topic)
 * Reading permissions in octal format ([|Getting to Know Linux Security: File Permissions] makes good reading)
 * Changing perms with chmod

=Quiz=

//To be taken on Friday, February 29// Objectives (quiz to be posted closer to quiz day):
 * 1) Be able to describe the permissions on a file or directory given the ls -l output.
 * 2) Change a file's permissions to a given description.
 * 3) Describe umask and how it's useful.

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