Humble Bundle: books about GNU/Linux and Unix

Humble Bundle has introduced a new set (bundle) of e-books from O'Reilly publishing house on the topic of GNU/Linux and UNIX. As always, the buyer has the opportunity to pay any amount starting from one dollar.

For $1, the buyer will receive:

• Classic Shell Scripting
• Linux Device Drivers
• Introducing Regular Expressions
• grep Pocket Reference
• Learning GNU Emacs
• Unix Power Tools

For $8, the buyer will receive all the books from the previous paragraph, as well as the following:

• Learning the Bash Shell
• Learning the vi and Vim Editors
• Linux in a Nutshell
• sed & awk

For $15, the buyer will receive all the books from the previous two items, as well as the following:

• bash Cookbook
• Linux System Programming
• Mastering Regular Expressions
• Effective awk Programming
• Linux Pocket Guide

Source: linux.org.ru