U user
exit routine processing 2-121
free stora ge, alloca tion of 2-104
handled SVCs 2-67
program areas 2-68
save area format 2-70 user program-CMSDOS-CMSVSAM storage
relationships 2-117
user storage
relationships 2-118
user-controlled device interrupts 2-9 USERSECT (User Area) 2-12 V virtual devices used in CMS 2-239
disk
accessing 2-9 3
organization 2-88
physical organization 2-88 PSi key 2-108 virtual machine
environment
querying options 2-60 setting options 2-60 initialization, eMS 2-57 Virtual Machine Facility/370 (VM/370), eMS 2-2
virtual storage, key 2-108 VM/370 Virtual Machine Facility/370 (VM/370) ) Volume Table of Contents (VTCe), support of
2-42 VPK of 0 caused overhead 2-110 VSAM CLOSE, as, simulation of 2-119 CMS support of 2-113,2-114
control block manipulation macros,
simulation of 2-120 execution for OS user 2-118
execution of, for a Des user 2-116 OPEN, OS, simulation of 2-119
processing, DMSDOS 2-116 SET DOS ON command processing 2-60
support of 2-43 VSAM-DOS-OS-user program storage
relationships 2-118 W WAIT macro 2-38 WRITE macro 2-44 iTO/iTOR macros 2-40 X
XCTL macro XDAP macro
2-38
2-38
Index 2-263

o Z Title: IBM Virtual Machine Facility/370: System Logic and Problem Determination
Guide Volume 2
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