About the Author
Christine Bresnahan, LPIC-1, started working with computers more than 25 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. Richard Blum, LPIC-1, has worked in the IT industry for more than 25 years as both a systems and network administrator. He has published numerous Linux and open-source books, and is an online instructor for Linux and Web programming.