ShellProgramminginUnix,LinuxandOSXisathoroughlyupdatedrevisionofKochanandWood’sclassicUnixShellProgrammingtutorial.Followingthemethodologyoftheoriginaltext,thebookfocusesonthePOSIXstandardshell,andteachesyouhowtodevelopprogramsinthisusefulprogrammingen