Linux Command Line and Shell Scripting Bible, 4th Edition

About the Authors

Richard Blum has worked in the IT industry for more than 30 years as both a systems and a network administrator. During that time, he's had the opportunity to work with lots of different computer products, including Windows, NetWare, Cisco, Avaya, different flavors of UNIX, and of course, Linux. Over the years he's also volunteered for several nonprofit organizations to help support small networks that had little financial support. Rich is the author of many Linux-based books for total Linux geeks and teaches online courses in Linux and web programming. When he's not busy being a computer nerd, Rich enjoys playing piano and bass guitar and spending time with his wife, Barbara, and their two daughters, Katie Jane and Jessica.

Christine Bresnahan started working with computers more than 30 years ago in the IT industry as a systems administrator. Christine is an adjunct professor at Ivy Tech Community College, where she teaches Linux certification and Python programming classes. She also writes books and produces instructional resources for the classroom. During her downtime, Christine enjoys spending time with her husband and family, hiking, and gardening.