CompTIA’s Linux+ certification is a globally-recognized, vendor neutral exam. The Linux+ exam (XK1-003) is a substantive revision with updates on applications, networking, and security. Our new study guide is aligned to cover all of the material of the updated 2009 exam with special attention to the new topics including troubleshooting Web-related services, understanding DNS record types and resolving them, and the basics of SELinux security. The study guide will cover installing applications, configuring the base system, using BASH, and securing and maintaining Linux. After reading this book, not only will you be able to ace the exam but you will be able to maintain, troubleshoot, and install Linux as workstations and servers.