https://community.hpe.com/t5/operating-system-hp-ux/pbl4/m-p/4120519#M314693 Neither google nor Forums advanced search finds that word. Where did you see it?<BR /><BR />Could it be: Problem Based Learning Mon, 24 Dec 2007 04:53:03 GMT Dennis Handly 2007-12-24T04:53:03Z https://community.hpe.com/t5/operating-system-hp-ux/pbl4/m-p/4120518#M314692 Hi Gurus, <BR /><BR />What is the term PBL4 and PBL5 in HP-UX?I think it represents system built level or patch level.<BR /><BR />Many thanks in advance Mon, 24 Dec 2007 04:38:44 GMT https://community.hpe.com/t5/operating-system-hp-ux/pbl4/m-p/4120518#M314692 aruns_s 2007-12-24T04:38:44Z https://community.hpe.com/t5/operating-system-hp-ux/pbl4/m-p/4120519#M314693 Neither google nor Forums advanced search finds that word. Where did you see it?<BR /><BR />Could it be: Problem Based Learning Mon, 24 Dec 2007 04:53:03 GMT https://community.hpe.com/t5/operating-system-hp-ux/pbl4/m-p/4120519#M314693 Dennis Handly 2007-12-24T04:53:03Z