This book is for students and Linux System Administrators. It provides the skills to read， write， and debug Linuxshell scripts using bash shell. The book begins by describing Linux and simple scripts to automate frequentlyexecuted commands and continues by describing conditional logic， user interaction， loops， menus， traps， andfunctions. Finally， book covers various sys admin related scripts such as making a backup， using cron jobs， writinginteractive tools， web based tools， remote login， ftp and database backup related scripts. This book is intended for

　　Linux system administrators or students who have mastered the basics of a Linux Operating System. You should beable to：? Login to local or remote Linux system.? Use basic Linux commands， such as cp， mv， rm， man，less， chmod and others? Create and edit text files in vi or any other text editor.? GUI is not required except for interactive GTK+ based GUI script