DMSSVT module 2-136 DMSVIP module 2-119 DMSXCP module 2-117 DOS CLOSE functions 2-140 environment sillluia tion under CMS 2-137
initialization 2-137,2-138
assign logical and physical units
2-139
associate a DTF table filename with a unit 2-140 data areas 2-138
for OS VSAM processing 2-119
list assignments of CMSjDOS logical
units 2-139
reseting cOllpiler options 2-139
resetting DOS environment options
2-139
setting comFiler options 2-139 setting DOS environment options
2-139 OPEN functions 2-140 SVC calls 2-67
.system centrol cOllllands, processing of
2-137 VSAM functions supported by CMS 2-48
bardward devices supported by CMS 2-49 DOS commands 2-137 DOS VSAM cCllpleticn processing 2-121
execution of, for a DOS user 2-116 DOSCB 2-140 DOSCB chain, crea tion of 2-114 DOS-OS-VSAM-user proqrall storage
relationships 2-118 DOS/VS FETCH function 2-142
Linkage Editor, CMS, simulation of
2-143
support, under CMS 2-48 DSCB 2-42
DTF tables, files associated with
2-141
DTFs, closing files associated with 2-142 dump CP (Control program), dump and eMS (Conversational Monitor System), dump) dynaaic stcrage lIanagement, active disk and
file 2-93
E
END card routine 2-80 operation 2-80 ENQ lIacro 2- 41 ENTRY control card 2-81
entry point directory, CMS 2-157
environments non-CMS 2-113
access method support for 2-113
ERET error routine processing 2-121
error codes 2-24 DMSFBEE 2-24,2-240 DMSFRES 2-24,2-240 DMSFBE! 2-24,2-240 DMSFREX 2-240 from D!SFREE 2-110 from DMSFRES 2-110 from DMSFBET 2-110 error printouts 2-153
error return, CMS/VSIM, processing of
2-121
error routine, ERET, processing of ESD card codes 2-83 ESD type 0 card routine 2-74
operation 2-74 ESt type 1 card routine 2-74
operation 2-75 ESD type 10 routine 2-77 ESC type 2 card routine 2-75
opet:ation 2-75 ESD type 4 card routine 2-76
operation 2-76 ESD type 5 card routine 2-76
operation 2-76 ESD type 6 card routine 2-76
operation 2-76 ESERV 6 service commands
6 CMS/DOS ESIDTB (ESD ID table) entry 2-83
executing CMS files 2-62
text files 2-71 EXIT macro 2-38
exit routine, user, processing of
external interrupt BLIP character 2-10 HNDEXT macro 2-10 in CMS 2-10 timer 2-10 EXTRICT macro 2-40 F
FCB (File Control Block) 2-11 FEOV macro 2-40 file ')_1')1 " , 2-148
2-121 arrangement of fixed-length records, in CMS 2-89
arrangement of variable-length records,
in 2-89
management CMS 2-4,2-6
file status table (PST) CMS 2-87
for.at 2-87
file status table block, for.at 2-87
Index 2-257

file status tables, CMS 2-86
file system CMS, management 2-86
manipulaticn commands 2-85
FILEDEF command 2-46 AUXPROC option 2-47
de fin i n g 0 S da ta se t s 2- 46
flow 2-131
files, os fcrma t, support of 2-42
FIND macro 2-39
first chain link format 2-89
first command processing, CMS 2-60 format DMSEXS macro, CMS 2-112 DMSFRES macros, eMS 2-111 DMSKSY macro, eMS 2-111
first chain link, in CMS 2-89
nth chain link, in CMS 2-89
system save area 2-70 user save area 2-70 free chain element format 2-103 free storage
allocation 2-100 management 2-99 CMS 2-14,2-99 pJinters 2-100 nucleus, allocation of 2-104
pointers, DMSFREE 2-101 user, allocation of 2-104 free storage table FREETAo 2-101 NUCCODE 2-101 SYSCODE 2-101 TRNCODE 2-101 USARCODE 2-101 USERCODE 2- 101 FREEDBUF macro 2-41
FREEMAIN macro 2-38 FREEPOOL macro 2-39 FREETAB free storage table 2-101 functional area, overview, eMS 2-52
G
GENCB processing 2-120 GET macro 2-43
GETMAIN
allocated storage 2-105 free element chain 2-17
free storage
allocation 2-100 management pointers 2-100 GETMAIN/FREEMAIN macros 2-39
simulation 2-17
GETMAIN macro 2-38 GETPOOL macro 2-39
H
HALT option 2-242 AUSERRST NUCON field 2-242
handling OS files
on CMS disks 2-36
on CS or Des disks 2-36
high-core nucleus chain 2-101 high-core user chain 2-101 I ICS card routine 2-73
operation 2-73 IDENTIFY macro 2-40 ini tializ at ion CMS virtual machine 2-57 eMS/DOS, for as processing 2-119 DMSINS module 2-58 DOS 2-137
for OS SYC handling, 2-59
of a named svstem 2-60 of a saved system 2-60 storage constant, eMS 2-58
system table, CMS 2-58
input restrictions, loader 2-85
input/output I/O) interactive console environment, eMS 2-62
interrupt handling CMS 2-7 input/oatput interrupts 2-8 SYC interrupts 2-7
terminal interrupts 2-9 DMSITS 2-7
external interrupts 2-10 machine check interrupts 2-10 program interrupts 2-9
reader/punch/printer interrupts 2-9
user-controlled device interrupts 2-9
interrupts, processing 2-98
introduction, eMS 2-2 IN'ISYC 2-26 I/O disk, CMS 2-98
interrupt, in CMS 2-8
macros, OS YSAM, simulation of 2-120 I/O control flow, CMS 2-95 I/O operations, eMS 2-94 IPt command processing
K
key AUTOCR 2-58,2-242 CMS 2-58
real PSW 2-108 real storage 2-108 virtual PSi 2-108 virtual storage 2-108 keys, storage protection 2-107 2-258 IBM YM/370 System Logic and Problem Determination Guide--Volume 2