英文原版The Official Ubuntu Book 6th Edition

Ubuntuisacomplete,freeoperatingsystemthatemphasizescommunity,support,andeaseofusewithoutcompromisingspeed,power,orflexibility.It’sLinuxforhumanbeings,designedforeveryonefromcomputernovicestoexperts.Ubuntu11.04isthelatestrelease–morepowerful,moreflexible,and