Richard Blum 系统和网络管理员，已经在IT行业工作了22年多。他管理过UNIX、Linux、Novell和微软服务器，用Linux shell脚本进行过自动化网络监测，并在大多数常见的Linux shell环境中写过脚本。他还是一名网络课程讲师，美国各地的多所大学和学院都采用他的Linux基础课程。除本书外，Richard还著有Professional Linux Programming等书。

Christine Bresnahan 系统管理员，已经在IT行业工作了近30年。目前在印第安纳波利斯市的常春藤技术社区学院担任兼职教授，讲授Linux系统管理、Linux安全和Windows安全等课程。

武海峰 Linux系统工程师，兴趣集中在GNU/Linux和移动互联应用，热衷于开源软件。曾在商业Linux厂商任职，从事移动设备操作系统集成和商业Linux发行版集成工作。

The authoritative guide to Linux command line and shell scripting?completely updated and revised [it's not a guide to Linux as a whole ? just to scripting] The Linux command line allows you to type specific Linux commands directly to the system so that you can easily manipulate files and query system resources, thereby permitting you to automate commonly used functions and even schedule those programs to run automatically. This new edition is packed with new and revised content, reflecting the many changes to new Linux versions, including coverage of alternative shells to the default bash shell. For this edition, the author has teamed up with another Linux expert ? with their shared expertise, they take you beyond the basics of shell scripting and guide you through using shell scripting for higher-level applications that are commonly found in Linux environments. In addition, this edition features a host of real-world examples, so you can see how the scripts work in application. Reflects changes to new Linux versions and covers alternate shells to the default bash shell Offers new chapters on working with file system commands and software installation commands Includes a plethora of real-world examples of advanced shell scripting Shows how to use shell scripts in a graphical desktop environment With Linux Command Line and Shell Scripting Bible you'll learn to manage file systems, install software, write scripts for graphical desktops, work with alternative shells, and more.