Robb Tracy, CompTIA Linux+, LPIC-1, CompTIA Network+, CompTIA A+, CompTIA Security+, CNE, CNI, has designed and implemented technical training products and curricula for major hardware and software vendors, including Novell, Micron Technology, and Motorola. He has also served on industry-wide certification committees, and is a co-founder of Nebo Technical Institute, Inc., a leading provider of information technology training and consulting. Robb is the author of LPI Linux Essentials All-in-One Exam Guide and LPIC/CompTIA Linux+ All-in-One Exam Guide.