beginner

Learn the ways of Linux-fu, for free.

Recommended Resources

How Linux Works: What Every Superuser Should Know

One of my most highly recommended books!

UNIX and Linux System Administration Handbook, 4th Edition

Extremely comprehensive book for every SysAdmin.

Linux Command Line and Shell Scripting Bible

Great comprehensive guide to shell scripting.

The Linux Programming Interface: A Linux and UNIX System Programming Handbook

For serious Linux-users, great start into kernel programming.