Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 RECOVERV command: for MSS volumes 174
reduction
of CP overhead, for virtual machine I/O 89-90
of paging activity 90-91
of SIO operation 89-90
reenterable code, usage. 90-91
registers, usage, CMS 240 REJECT, VMCF subfunction 155
releasing
allocated storage 252
storage 252
Remote Spooling Communications Subsystem RSCS (Remote Spooling Communications Subsystem) ) REPLY, VMCF subfunction 158 RESERVE; operand 77-78
reserved page frame s 77-78
performance option 92,95
resources, processor 84-85
responses, VlI Monitor, to unusual tape
con ditions 121-122
responsibilities, user, for eMS/DOS 305-306 restr ict ions BDAM 280 CMS, saved system 315 CMS/DOS 309 multiple path support 44
resume
execution
BEGIN command 32 GO subcommand of DEBUG comman d 32 RESUME, VMCF subfunction 155 RSCS (Remote Spooling Communications
subsystem)
command language 330 command processing 337-338
command summary 331
disabled wait 8-13
procedure 30-31 X'OOl' 30-31 X' 007' 30-31 X'011' 30-31 DMTMAP 333 DMTVEC 333
enabled wait 8-13,31
external interrupts 338
file management 336
free storage 333
functional information 335
interrupt handling 338 I/O interrupts 339
logging activity 340 logging output 340 logging record 340 line allocation task 334
line driver storage 334
links 329
definition 329
table 329
locations 329
message handling 338
nonprogrammable remote terminals 329
page allocation 335
programmable remote stations 329
queue element management 335
remote stations 329
spool file
access 337
access task 334
storage
allocation 331
structure 331
supervisor 333
service routines 333
supervisor queue 333
extension 333 SVC interrupts 339
system control task 334
tag slot queues 336
task-to-task communica tions 337
virtual storage management 335 spool system interface 330 RUNUSER (current user) 47-48 S save area BALRSAVE 19,49 CMS system 264-267 CMS system save area format 264-267 DMKLOK 50 DUMPSAVE 49
FR EESAiE LOCKSAVE MFASAVE SAVEAR EA SIGSAVE SVCREGS SWTHSAVE 19,49 50 50 19,49
49 50 50 user save area format 264-267 SAVEAREA (active save area) 19,49
saved systems CMS 312-313
described 132-142 SAVESYS command 134
when to save system 134
when to save systems (5748-XI8) when to save systems SA YES EQ priority value c.a14§- XX.§) SAVESEQ priority value (2148-XE1) SAVESYS command 134
saving, storage information 41
segment
132
131
78.2
78.2
alternate, on IPL command
shared segments)
segment table 76-77
314 SEND iMCF protocol 148-149 VMCF subfunction 156-157 SEND/RECV VMCF protocol 150 VMCF subfunction 156-157 SENDX VMCF protocol 151 VMCF subfunction 157 SET command 39,286-287
usage 44-45 SET SRM command (5748- XX8) SET SRM command (5748-XE1) SETKEY command, described
setting, address stops 37 110 110 138-139
Index 379
Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 shadow table bypass (5748-XE1) 98-98.1
shared segments 135
descr ibed 135
discont iguous 135-136
protected 140-142 special considerations 135
unprotected 140-142 virtual machine operation signaling, in attached processor mode 180 SIGSAVE (DMKEXT save area) 49
simulat ion 88
of DOS/VS functions by CMS 285
single processor mode
advantages of (5748-XE1) 102.2-102.3 commands used with (5748-X!1) 102.2-102.3 performance impact of (5748-XE1) 102.2-102.3 purpose of (5748-XE1) 102.2-102.3 systems supported (5748-XE1) 102.2- 102. 3
use of the V=R machine 102.2-102.3 single-instruction mode 82 SIO (§,ee start I/O (SIO) instruct ion)
small CP option
effect on performance 78.1
purpose of 78.1 SML LOG record 341 SMSG command, overview of 171-172 SNAP macro 276
spanned records, usage 278-279 S PB (Set Page Bound ary) car d 214
special diagnose for shadow table
maintenance (5748-XE1) 204 special message facility 171-172
authorization 171-172
buffer length description 171-172
introduction to 171-172
sending or receiving messages 171-172 SMSG command 171-172
using 171-172
special message flag
purpose of 171-172
turning on or off 171-172 SPIE macro 274 SPOOL command, 3800 printer support 227
spool file
access, RSCS 337
manipulation 187-190
recovery
after checkpoint start 81
after force start 82
after warm start 81
spooling
described 80-82 terminal input 82
terminal output 82
via RSCS 80-82 STAE macro 276 START command, 3800 printer 227
start I/O (SIO) instruction
handling 89-90 reducing 89- 90· STAX macro 277 STCP, command 41 380 IBM VM/370 System Programmer's Guide STIMER macro 276
stop execution 40 ADSTOP comman d 32
BR EAK subcommand of DEBUG command 32
stop tracing SVCTRACE comm and 35-36 TRACE command 35-36 storage allocation 250 RSCS 331 CMS 245
dump CMS 22 CP 18
dynamic paging 90-91 protection
fetch 78
storing 77-78
releasing 252
requirements
assembler 323
for CMS support of VSAM 312-313
for CMS/DOS 308 storage size
maximum, replacing directory entry 206-210 virtual machine, repla cing directory
entry 206-210 STORE command 41
summary 34-35
storing
data
into CA W, SE T CA W subcomma nd of DEBUG command 35
into control registers, STORE command
34-35
into CSW, SET CSW subcommand of DEBUG command 35
into floating-point registers, STORE command 34-35
into general registers, SET GPR subcommand of DEBUG command 34-35
into general registers, STORE command
34-35
into PSW, SET PSW subcommand of DEBUG command 35
into PSW, STORE command 35 S10RE command 34-35 S10RE subcommand of DEBUG command
34-35
information 37
storage protection 77-78 STOW macro 275 STRINIT macro 244-246
structure, of RSCS storage 331 SVC handling
by user 258
commands entered from terminal
259-260
invalid SVC s 258-259
linkage 257-2 58 OS and DOS/VS SVC simulation 258
type of SVC 257- 258
in terrupt CMS internal linkage SVCs 236
other CM S SVC S 236- 237
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