A Practical Guide to Linux(R) Commands, Editors, and Shell Programming by Mark G. Sobell
Prentice Hall PTR; 1 edition | July 11, 2005 | English | ISBN: 0131478230 | 1008 pages | PDF | 6 MB
For use with all versions of Linux, including Ubuntu,™ Fedora,™ openSUSE,™ Red Hat,® Debian, Mandriva, Mint, and now OS X, too!