The third edition of the successful linux command line and shell scripting bible focuses on teaching basic and advanced shell scripting and include many more examples to guide readers through using shell scripting found in linux environments. The core command line and shell scripting materials will be updated to reflect changes to new linux versions and more examples are added to chapters in the shell scripting basics and advanced shell scripting sections a new chapter are added with 30 pages of new functional script examples. Book features: the linux command line shell scripting basics advanced shell scripting creating practical scripts table of contents: introduction part i: the linux command line chapter 1: starting with linux shells chapter 2: getting to the shell chapter 3: basic bash shell commands chapter 4: more bash shell commands chapter 5: understanding the shell chapter 6: using linux environment variables chapter 7: understanding linux file permissions chapter 8: managing file systems chapter 9: installing software chapter 10: working with editors part ii: shell scripting basics chapter 11: basic script building chapter 12: using structured commands chapter 13: more structured commands chapter 14: handling user input chapter 15: presenting data chapter 16: script control part iii: advanced shell scripting chapter 17: creating functions chapter 18: writing scripts for graphical desktops chapter 19: introducing sed and gawk chapter 20: regular expressions chapter 21: advanced sed chapter 22: advanced gawk chapter 23: working with alternative shells part iv: creating practical scripts chapter 24 writing simple script utilities chapter 25: producing scripts for database, web and e-mail chapter 26: creating fun little shell scripts summary appendix a: quick guide to bash commands appendix b: quick guide to sed and gawk index - from Amzon