Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 minidisk multiple password, replacing
directory entry 206-210 minidisk read password, replacing directory
entry 206- 21 0 minidisk write password, replacing
directory entry 206-210 minidisks 79-80 __ __ rn modifying modules 41-42 MODM AP command 66-68 MONITOR command 110-125 described 110-125 described (5748- XX8) 110.1 described (5748-XE1) 110.1 format 110-125 implemented classes 119-121
monitoring, recommendations 124 MOVEFILE command, usage 45-46 MSS (Mass St orage System)
communication 205-206 cy linder faul ts, VM/370 process ing 173
mount and demount processing 173,205-206 mount processing, asynchronous 173 VM/370 access 173
volumes
backup copies 174 I/O management 79-80,89-90 MULTI -LE AVI NG
block control byte (BCB) 351-356
character string 349
control field s
record control byte (RCB) 351-356
string control byte (SCB) 351-356
sub-record control byte (SRCB)
351-356
description of 349
function control sequence (FCS) 351-356
in VM/370 < 349
transmission block 350-351 multiple channel errors 6
multiple copy printing, 3800 printer
226-228
multiple shadow table support 98-98.1
multiprocessing systems, improving
performance of (2148-XE1) 102.2-102.3 MVS/system extensions support
N
common segment facility 102.1-102.2 enabling 102.1-102.2 low address protection 102.1-102.2 special operations and instructions (.2748-.1]1) 102.1-102.2 named systems
allocating DASD space 132-142
generating 132-142
SPB card 132-142
using NAMESYS macro 132-142
saved system 132-142 SAVESYS command 134
saving or loading a 3800 204-205 376 IBM VM/370 System Proqrammer's Guide
sa ving or loading a 3800 (5748=XE1) 204.1-205 shared segments 135
system name table (DMKSNT) 132-142 NAMESYS macro
discontiguous saved segments 137-138
for saved systems 132-142 native mode, switching to or from 102.3-102.4 NOTE macro 277
NPT LOG record 342
nucleus (CMS) 243 NUCON (nucleus constant area) 70-72 o OPEN/OPENJ macros 275
options
performance
affinity 97-98
favored execution 93-94
locked pages 91-92
priority 95
reserved page frames 92,95
sma 11 C P ( 57! 8- X X 8) 78. 1
virtual=real 77-78,92-93,95-97
virtual machine 93 OS (Operating System)
abnormal termination
messages 4-6
procedure 23
data management simulation 270 data sets, reading 280.1-281 formatted files 278-279
handling
files on CMS disks 270 files on OS or DOS disks 271
macros
ABEND 275
ATTACH 276
BLDL 274
BSP 277
CHAP 276
CHECK 277
CHKPT 276 CLOSE/TCLOSE 275
DCB 277
DELETE 274
DEQ 276
descriptions of 272-277
DETACH 276 DEVTIPE 275
ENQ 276
EXTRACT 275 FEOV 275
FIND 274 fR EEDBUF 276
FREEMAIN 273 fREEPOOL 274
GET 278-279
GET MAIN 273
GETMAIN/FREEMAIN 274 GETPOOL 274 IDENTIFY 276
LINK 273 LOAD 274

Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 NOTE 277 OPEN/OPENJ 275 POINT 277 POST 273 PUT 278-279 P UTX 278- 279
RDJFCB 276-277
READ 278-279 SNAP 276 SPIE 274 STAE 276 STAX 277 STIM ER 276 STOW 275 SYNADAF 277 SYNADRLS 277
TCLEARQ 277
TGET/TP UT 277
TIME 275
TTIMER 276
under CMS 270 WAIT 273 WRIT E 278-279 iTO/WTOR 275 XCTL 274 XDAP 273
overhead, CP, reducing for I/O 89-90 overlay structures under CMS 323
over laying
dynamic load 325
example 324
prestructured 323-325 P page
allocation, RSCS 335
exceptions, effects of 90-91 frames 76-77
reserved 77-78,92
locking 91-92
releasinq
cont iguous storage 186
discontiguous storage 202 SPB (Set Page Boundary) card 214
table 76-77
zero, restrictions 77-78
pageable module
identifying 63-64.1
locating 63-64.1
paging 76-77
by demand 76-77
considerations 90-91 password
replacing directory entry 206-210 suppression on command line 230 PA2 program function key, defining fnnction of i99
performance 88
avoiding IPL 132-142 CM S/DOS 309 for mixed mode foreground/background
systems 126
for time-shared multi-batch virtual
machines 126
measurement 103 options
affini ty 97-98
dynamic scp transition to or from
native mode (5748-XE1) 102.3-102.4 favored execution 93-94
locked pages 91-92
priority 95
reserved page frames 92,95
single processor mode (5748-XE1) 102.2-102.3 small CP (5748-XX8) 78.1
virtual=real 77-78,92-93,95-97
virtual machine 93 PGMOPSi (program old PSi) 69 PGMSECT (program check interrupt work area)
72 PLIST (parameter list) 240 POINT macro 277 POST macro 273
Prefix Storage Area ,(see PSA (Pref ix
storage Area» prestructured overlays 323-325 PREVCMND (previous command) 22,71 PREVEXEC (pre'vious EXEC procedure) 22,71
print buffers
adding new images 217-218 LOADBUF command 217-218
print chain image 217-218 ueB macro 218-219 UCBCCi macro 220 UCC, examples 224-225 UCC macro 224 UCCCCi macro 224 UCS examples 218-219
macro 217-218 1403 216-217 UCSB associative fields 220 examples 221-222
3211 216-217 UCSCCW macro 218 PRINT command 66-68
printer IBM 3800 printer)
interruptions 238
priority
messages 153,156-157,157
of execution 76-77
performance option 95
privilege classes 82
replacing directory entry 206-210 privileged instructions 88
problem
programs, unexpected results 15-17
types
abnormal termination 8-13
loop 8-13
unexpected results 8-13
wait 8-13
processor
attached
affinity 97-98,181 I/O handling 179
locking 180-181 machine check 23 PSA 178
real I/O interrupts 87
Index 377