Christopher Negus has worked as a consultant for computer networking projects at AT&T, Novell, Caldera Systems, and UNIX System Laboratories since 1984. He has contributed to dozens of books on UNIX, Linux, and the Internet. He co-authored Complete Idiot's Guide to Networks, 2nd Edition and Using Unix, 2nd Edition both from Que and is sole author of the Red Hat Linux Bible and Caldera OpenLinux Bible from IDG books.