Linux in a nutshell
Highly popular since its debut in 1997, "Linux in a Nutshell" remains a must-have reference in the Linux canon. The sixth edition incorporates new commands, and covers programming tools, system and network administration tools, editors, and shells. Users will also find complete information on associated applications such as Apache, Samba, Postfix, sendmail, Subversion, Emacs, vi, sed, gawk, and many more.