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Applications that can be written to 64-bit virtual storage
have signifi cantly larger addressability to data. With z/OS
1.2, assembler programs can obtain virtual storage above
2 GB for storing and manipulating data. This 64-bit support
is used by DB2 V8 and other middleware. z/OS 1.6 includes
C/C++ support for the development of 64-bit applications,
including debug and runtime support. In addition, the Java
SDK 1.4.1 is also available with 64-bit support.
Automation Support
z/OS Managed System Infrastructure for Operations (msys
for Operations) provides automation for single system and
sysplex operations to help simplify operations and improve
availability. msys for Operations plays an important role in
outage avoidance.
Functions msys for operations provides control and
manage both hardware and software resources making
fully automated solutions possible. The focus is on simpli-
fying complicated operator interaction, detecting failure
situations and reacting to them quickly and precisely. This
is achieved through panel driven operator dialogs and
automated recovery routines that run in the background.
Simplifi ed Confi guration z/OS Managed System Infrastruc-
ture for Setup (msys for setup) is the strategic solution for
product installation, confi guration and function enable-
ment. msys for Setup allows usage of consistent interfaces
with wizard-like confi guration dialogs. In z/OS 1.4, the
msys for Setup Framework was enhanced to provide multi-
user capability and improved multisystem support.
The msys for setup dialogs use defaults and best practices
values whenever possible and derive low-level values from
answers to high-level questions. After the confi guration param-
eters have been specifi ed, msys for Setup can automatically
update the system confi guration directly. The user can see in
detail what the changes will be before they are made.
Also, with z/OS 1.5 msys for Setup can use the IBM Direc-
tory Server, OpenLDAP, on any IBM platform including
OpenLDAP on z/OS UNIX
®
System Services. This can sim-
plify the initialization of msys for setup, and can make the
Management Directory virtually transparent to the user.
The following functions can be confi gured using msys for
Setup: Parallel Sysplex clustering, TCP/IP, UNIX System
Service, Language Environment, LDAP, RMF, ISPF, FTP,
and DB2 UDB for z/OS V8.
System Services
z/OS Version 1 Release 6 base elements
Base Control Program (BCP)
JES2
4
ESCON Director Support
MICR/OCR Support
2
Bulk Data Transfer base
DFSMSdfp
EREP/MVS High Level Assembler ICKDSF
ISPF
TSO/E
3
3270 PC File Transfer Program V1R1
1
FFST
™
/ESA
TIOC
z/OS Version 1 Release 6 optional priced features
DFSMSdss
™
DFSMShsm
™
DFSMSrmm
™
DFSMStvs
JES3
Bulk Data Transfer (BDT) File to File
Bulk Data Transfer SNA NJE
1. Disabled on z/OS.e
2. Not licensed on z/OS.e
3. TSO usage is limited to 8 concurrent users on z/OS.e
4. z/OS.e only supports the latest JES that ships with the product
The backbone of the z/OS system is the Base Control
Program (BCP) with JES2 or JES3. These provide the
essential services that make z/OS the system of choice
when workloads must be processed reliably, securely,
with complete data integrity and without interruption. The