英文原版Learning Unix for OS X 2nd Edition

GoingDeepWiththeTerminalandShellThinkyourMacispowerfulnow?ThispracticalguideshowsyouhowtogetmuchmorefromyoursystembytappingintoUnix,therobustoperatingsystemconcealedbeneathOSX’sbeautifuluserinterface.OSXputsmorethanathousandUnixcommandsatyourfingertips—forfindingandmanagingfiles