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S [ PT: [ T: box invis ht .2i "Process Table"; move down .125i A: box ht .25i; down PTE: box "Process" "Table" "Entry"; down C: box ht .25i ] move right 1.5i TT: [ T: box invis ht .2i "Text Table"; move down .125i A: box ht .25i; down TTE: box "Text" "Table" "Entry"; down C: box ht .25i ] move down 1i from TT.C.s move right 0.5i UTS: [ box ht 0.75i wid 0.75i "User" "Text" "Segment" ] move left 1.5i from UTS.w DS: [ SDS: box "System" "Data" "Segment" ; move down .5i from SDS.n ; UDS: box ht 0.75i "User" "Data" "Segment" ] move left 1i from DS.UDS.w move down 0.25i UAS: [ box invis "User" "Address" "Space" ] line from UAS.ne to UAS.se line from UAS.nw to UAS.sw line right 0.15i from UAS.nw line right 0.15i from UAS.sw line left 0.15i from UAS.ne line left 0.15i from UAS.se arrow from 1/4 of the way between PT.PTE.ne and PT.PTE.se right 1.875i arrow from TT.TTE.e right .5i then down to UTS.n arrow from PT.PTE.e right .875i then down to DS.SDS.n arrow from 3/4 of the way between PT.PTE.ne and PT.PTE.se right .25i then down 1.5i then right .25i arrow from 1/4 of the way between UAS.ne and UAS.se right .375i then up .25i then right .25i arrow from 3/4 of the way between UAS.ne and UAS.se right 2.375i then up .875i then right .5i move up 1.3175i from UAS.nw move left .75i line right 5.625i move left 5.25i move up .3125i RS: [ box invis ht 0.2i "Resident" ] move down .8i SW: [ box invis ht 0.2i "Swapped" ] arrow <-> from RS.s to SW.n ]
E