英文原版Linux Essentials 2nd Edition

LearnLinux,andtakeyourcareertothenextlevel!LinuxEssentials,2nd Editionprovidesasolidfoundationofknowledgeforanyoneconsideringacareerininformationtechnology,foranyonenewtotheLinuxoperatingsystem,andforanyonewhoispreparingtositfortheLinuxEssentialsExam.Th