The 4.3 BSD Acronym for Berkeley Software Development. version of the UNIX An operating system for workstations developed by AT&T Bell Laboratories that features multiprogramming in a multiuser environment. operating system provides line printer spooling. The LPR command line approach adds files to the print queue. The LPQ command line approach views the print queue for your current logon name. The LPRM command line approach removes files in the print queue that were submitted under your current logon name.