Page of GC20-1821-3 As Updated April 1, 1981 by TNL GN25-0840 diagnose interface, for communication
between operatinq systems and VM/370 10 dial-up terminals terminals)
DIRECT program creating directory entries, for VM/370 virtual machine 54 usinq for .VM/370 virtual machine,
example 58
directory entry (se§ virtual machine)
disconnected operation
for DOS/VS virtual machine 102-104 for OS/VS virtual machine 135-137
for OS/VS virtual machine (5748-XE1) 136.3-137
disk space, temporary, obtaining for
virtual machines 17-18
display-operator-console mode DOC) distribution library
restorinq
for DOS/VS generation under VM/370 76-77
for OS/VS system generation under VM/370 119-120 DMKRIO module, defining, for VM/370 virtual
machine 53 DMKSYS module, defining, for VM/370 virtual
machine 53 DOC (display-opera tor-console}
mode, specifying local 3270 as primary
console 15 DOS DOS/VS) files, using T-disk space for 18 ISAM, usinq under VM/370 41 virtual machine, directory entry example
82 DOS Release 27, in V=F virtual machine,
modifying supervisor to run 74 DOS/VS virtual machine; VM/370) accountinq, elapsed processor time under VM/370 Advanced Functions Program Product incorporating VM/370 linkage
enhancements 9,70 application programs, designing to run
efficiently under VM/370 4
BTAM autopoll channel programs,
bypassinq and checkinq for under VM/370 8
double spoolinq under VM/370, eliminating by specifying DEDICATE
control 44 enterinq statements, with logical line
end character 69
handshaking, use of autopoll required 8 ISAM, using under VM/370 41 linkaqe editor, program execution under CMS/DOS 73
printing abend dumps under VM/370 5
supervisor
assembling and loading under VM/370 78-80 generating to run under VM/370 71
relocating page zero to run under V!1"j37 0 42 system generation under VM/370 adding IOCS modules 80-81 assembling and loading a supervisor 18-80 building (creating) eMS job stream
files for 75-76
copying distribution system to disk
76-77 DOS/VS recommendations 71-73
handshaking support 70 recommendations 69-74
sample virtual machine for generatinq
75
using an interim system 17-18 VM/370 recommendations 70 virtual machine 69-105 accessing CMS from more than one
virtual machine 101 accessing system residence volume
82-84 CMS/DOS environment for (description) 104-105 communicating with CP 91-92
defining operator's console 85
description (introductory) 69
developing and testing programs for
use under 104-105 directory entry example 82
disconnecting 101 how to run more than one 100 interrupting execution of 92 1PL from a card reader 89-90 IPL from a console 86-89
operating under VM/370 90-93 preparing job streams for 85-86
running in batch mode 93
sharing system residence volume with
ot her users 83
starting a job stream 91
technique for alternating between CMS and DOS/VS 94-100 using unique standard label cylinders
to access system residence volume
83-84
using virtual unit record devices 84 DOS/VSE system generation under VM/370, handshaking support 70 dump, printing virtual machine abends 5
dump processinq
for V=R users using shadow table bypass
function, page zero table entry changed (5748-XE1) 34. 1
for VM/370 virtual machine 54 example 66-68
system operator procedures when usinq
dedicated processor 138.2
dynamic SCP transitions
operating procedures 135- 136.1
restrictions 135
system operator procedures 136-136.1
Index 141

Paqe of GC20-1821-3 As Updated April 1, 1981 by TNL GN25-0840 E ECMODE option
directory entry example, specifyinq for VM/370 virtual machine 49
specifying for system/370 operating
systems 40 using for operating systems run under VM/370 6.1 ECPS: VM/370 (extended control-program
support)
effect on DOS/VS accounting 73-74
virtual machine paging performance 5
virtual machine performance 33-34
virtual machine performance 34. 5-3 4. 6
performance option, specifying for
virtual machines 36
enhanced 3270 support (.2148-XX8) VM/370 Basic System Extensions program
product)
enhanced 3270 support (.2748:.XE1) VM/370 System Extensions proqram product)
error recording
by VM/370 for virtual machine operating systems
41
for virtual machine operating systems 42
for operating systems under VM/370 4
when SCP makes dynamic transition to
native mode 136.1
when using dedicated processor for MVS V=R virtual machine 138.2
error records, for operating systems under VM/370, accessing and recording 4
error recovery, virtual machine, provided
by operatinq system in 16
error recovery procedures, for
model-dependent processors and channels,
effect on SCPs run under VM/370 12-13 EXEC procedure, for alternating between CMS and DOS/VS 99-100 extended control mode, ECMODE option,
specifying for system/370 operating
systems 40 extended control-proqram support ECPS: VM/370) F
favored execution, performance option,
specifying for virtual machines 36 FDP (Field Developed Program), used under VM/370 (reference) 3
Field Developed program (FDP), used under VM/370 (reference) 3
file names, selecting, for DOS/VS minidisks
73
first level storage, definition 5
flip-flop technique alternating
technigue)
format/allocate program (CP) allocating temporary disk space, for
virtual machines 17-18
for VM/370 virtual machine, how to
format and allocate space on CP disks 5.3-54 formatting, CP disks, for VM/370 virtual
machine 53
formatting error recording cylinders, with
SRF devices, for hardcopy reports 4
four-channel switch, VM/370 alternate path
support for 19-20 full screen support (.2148:.!!!!) VM/370 Basic System Extensions program product)
full screen support (.2148:.!1!1) VM/370 System Extensions program product)
G
generating operating systems, under VM/370, advantages of 38
generation procedures, under VM/370, for
other operating systems 38
H
handshaking handshaking)
high-water mark, defining for shadow tables
( 574 8- X ll) 34. 1-3 4 • 2
I
IBCDASDI program, initializing T-disk
space, for files 18
INDICATE command, to measure VM/370 performance 37
initializing disks and minidisks, for DOS/VS virtual machines 70 Installed User Program (IUP), used under VM/370 (reference) 3
interactive problem control system IPCS) interactive virtual machine, operatinq
systems supported under VM/370 2
interval timer, using REALTIMER option, to
allow updating under VM/370 7 I/O devices AUTOLOG facility, to automatically
initiate for virtual machine operating
systems 46-48
using those unsupported by VM/370 4 I/O interruptions, virtual machine,
processed by operating system in 16 IOCS modules, adding to DOS/VS virtual
machine 80-81 IPCS (interactive problem control system)
dump processinq, for VM/370 virtual
machine 54 VM/370 component, brief description of
2
142 IBM VM/370 Operating Systems in a virtual Machine