A arend (see abnormal termination (abend) ABEND macro 2-39
abnormal termination (abend) eMS codes 2-241
recovery 2-241
dump CMS (Conversational
Monitor System), dump) ACCESS command, accessing OS data sets
2-45
access methed, OS, support of 2-42 access methods BDAM 2- 113 BDAM/QSAM 2- 113 BPAM 2-113
fer nen-CMS environments 2-113
os 2-113 'SAM 2- 113 CMS support for 2-114
accessing
a virtual disk, CMS 2-93
the file system 2-93
active disk and file storage management
2-93 Active Disk Table CADT) 2-93
used in disk management 2-93
Active File Table (AFT) 2-93
used in file .anage.ent 2-93
ADT Active Disk Table (ADT» AFT Active File Table (AFT» alloca ted
free storage, types of 2-99
storage, releasing of 2-105 allocating, storage 2-20 allocation
of nucleus free storage 2-104 of user free storage 2-104 AMSERV function, execution of 2-114
ATTACH macrc 2-40 AUSERRST, PALT option 2-242 AUTOCR, IPL cemmand processing 2-58,2-242
B
batch CMS 2-149 modules used in 2-152
facility CMS Batch Facility) BDAM CMS support of 2-113
restrictions on 2-44
support of 2-43 BDAM/QSAM, CMS support of 2-113
BLDL macro 2-39 BPAH eMS support of 2-113
support of 2-43 BSAM/QSAM, support of 2-43 BSP macro 2-41
C
called routine Index register when started 2-69
start-up table 2-69
caller, returning to 2-69
carriage control characters, CMS 2-97
chain header block 2-101 FLCLB in 2-102 FLCLN in 2-102 FLHC in 2-102 FLNU in 2-102 FLPA in 2-103 format 2-102 MAX in 2-102 NUM in 2-102 POINTER in 2-102 SKEY in 2-103 TCODE in 2-103 chain links 2-87
Channel Address Word CAW (Channel
Address Word» Channel Status Word CSW (Channel Status Word» CHAP macro 2-40 CHECK macro 2-42
CHECK processing, OS VSA! 2-121
CHKPT macro 2-41 CLCSE, OS VSA!, simulation of 2-119 CLOSE/TCLOSE macros C!S (Conversational !onitor system)
(see also virtual machines) ABEND codes 2-241
accessing the file system 2-93
Batch Facility Batch Facility)
batch facility 2-149
modules used in 2-152
called routine table 2-31
command, handling 2-62
command language 2-2
command processing 2-30 commands CMS commands) console management 2-62
devices supported 2-13 DEVTAB (Device Table) 2-12
Index 2-253

diagnostic aids 2-237
directories 2-155
disk organization 2-88
disk sterage management 2-92 DMSFREE 2-12
free storage management 2-17
macro description 2-17
service routines 2-22 DMSFRES macro description 2-22 DMSFRET macro description 2-21 DMSITS 2- 26,2- 32 DMSNUC 2-12 DOS/VS support 2-48
dynamic storage management 2-93
error codes DMSFREE DMSFRES DMSFRET DMSFREX file
2-240 2-240 2-240
2-240
execution 2-62
processing 2-62 file status table block 2-87
file sta tus table forma t 2-87
file status tables 2-86
file syste. 2-4,2-6
accessing 2-93 management 2-86
files, storage organization of 2-86
first command processing 2-60 free storage management 2- 14,2- 99 DMSFREE 2-17 GETMAIN 2-14
function table 2-34
reserved names 2-34
functienal information 2-11
handling, of PSi keys 2-107
initialization for OS SVC handling 2-59
interactive console environment 2-62
interface with display terminals 2-34
interrupt handling 2-7
interrupts, processing 2-98
introduction 2-2 I/O control flow 2-95 I/O operations 2-94
IPL command processing 2-58
label to module cross reference 2-189
loader 2-71
loader tables 2-14
leading, from card reader 2-57 lIa i ntai ni ng in te rae ti ve session 2-62 master file directory 2-90 miscellaneeus functions 2-148 module entry point directory 2-157
module tc label cross reference 2-169
nucleus 2-13 OS and DOS VSAM functions supported 2-48 hardware devices supported 2-49
overview of functional areas 2-52
printer carriage control 2-97
printing a file 2-97
processing, commands entered during
2-63
program
development facilities 2-5
organization 2-50 punching a card 2-96
read disk I/O 2-9A reading a card 2-95
record formats 2-88
register usage 2-11
restrictions on, as a saved system
2-109
returning to calling routine 2-31
routines that access the file system
2-93
simulation
of DOS environment 2-137
of OS by 2-122
storage
constant initialization 2-58 lIap 2-16,2-58
structure 2-12
structure of DMSNUC 2-11 SVC handling 2-26,2-32 symbol references 2-11 system functions 2-53 system save area modification 2-32
transient area 2-13,2-29
user
area 2-29 program area 2-14 USERSECT (User Area) 2-12
virtual devices used in virtual machine initialization 2-57 write disk I/C 2-98 CMS commands ACCESS 2-45
FILEDEF 2-46 how to add one 2-34 CMS macro library 2-247 DCSSs, storage relationships
with DMS1SM 2-115 CMSCB, defined 2-124 defined 2-124 CMS/DOS CLOSE functions 2-140
routines that perform them 2-141 DOSLKED command 2-142
environment, termination of 2-148
environment termination command DMSEAB 2-148 DMSDMP 2-148 DMSITP 2-148
execution related contrel commands
2-142
FETCH command 2-142
2-254 IBM VM/370 System Logic and Determination Guide--Volume 2