advanced programming in the unix(r) environment

StephenRago'supdateisalongoverduebenefittothecommunityofprofessionalsusingtheversatilefamilyofUNIXandUNIX-likeoperatingenvironments.Itremovesobsolescenceandincludesnewerdevelopments.Italsothoroughlyupdatesthecontextofalltopics,examples,andapplicationstorecentreleasesofpopularimplem