Fatbrain Review Revised and updated coverage of the Bourne, Korn, C, and BASH shells, includes Internet and business application scripting. Guides you from simple shell scripts for novices, to advanced scripting for administrators. Covers shell fundamentals, commands, decisions, and repetition, then leads you through user shell programming and structuring concepts. Shows how to prototype and reuse shells. Discusses shell database and system integration, reliability and portability issues, administrative and maintenance duties. Good logically-organized tutorial that first teaches basic skills of shell scripting, then shows how to use these newly acquired skills in productive applications.