Path: utzoo!mnetor!uunet!husc6!bbn!uwmcsd1!ig!agate!ucbvax!VB.CC.CMU.EDU!PHULVER%OCVAXA From: PHULVER%OCVAXA@VB.CC.CMU.EDU (Barron Hulver x8290) Newsgroups: comp.os.vms Subject: re: memory performance clarification of /header Message-ID: <8802121456.AA24909@ucbvax.Berkeley.EDU> Date: 8 Feb 88 14:49:00 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 21 Jeffrey del Papa writes: ..."header resident means it reads the index file entry into paged pool"... I thought header resident meant that the image file was opened (therefore an implicit /OPEN) and the first block of the file (512 bytes) was read into memory. If you do an ANALYZE/IMAGE the "header" is the first thing displayed. See also VAX/VMS Internals and Data Structures 1984 page 468. ...Barron Hulver (216) 775-8290 e-mail postmaster & technical support analyst Houck Computing Center Oberlin College, Oberlin, OH 44074 phulver % ocvaxa @ cmccvb (bitnet) phulver % ocvaxa @ vb.cc.cmu.edu (arpanet or csnet) ocvaxa::phulver (ccnet) phulver % ocvaxa % cmccvb @ uk.ac.rl (janet to bitnet) phulver % ocvaxa % vb.cc.cmu.edu @ uk.ac.ucl.cs.nss (janet to arpanet) !ihnp4!oberlin!ocvaxa!phulver (uucp) (you can send mail to postmaster instead of phulver)