Fluency with a UNIX Shell is mandatory for working within the UNIX operating system. Keeping current, however, can be a challenge. With the UNIX Shell Scripting Interview Guide, you will be sure to be current. Using this book to prepare for a job interview or brush up on a scripting programming language will aid any programmer in acquiring new and applicable skills and knowledge. This book contains a complete reference of common scripting errors, performance tuning examples, and common applications. More than just UNIX documentation and open source rhetoric, this guide explains UNIX Shell Scripting from the perspective of the advanced programmer and administrator so you can be sure to come to any interview prepared. Key topics include: . Graphical user interfaces for UNIX . Advanced features of Bash, Bourne, and Korn . Common errors and troubleshooting . System monitoring and maintenance . Modern command line shells