IBM OS/390 manual Noclauth, Permit, Parmlib

Page 34

Figure 4

(Page

2

of

 

3).

Changes to RACF Commands

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command

 

Description

 

 

 

 

 

 

 

 

 

 

 

Support

 

 

 

 

 

 

 

 

 

 

ALTUSER

 

This

command

supports

the

removal

of

all

TMEof 10the

 

 

user's

CLAUTH authorities

by

using

NOCLAUTH(*).

 

 

For more information on the ALTUSER NOCLAUTH

 

 

 

keywords, seeOS/390 Security Server (RACF)

 

 

 

Command

Language

Reference.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PERMIT

 

The

PERMIT

 

command

allows

 

the

keywords

Program

 

 

WHEN(SYSID(

system-identifier...)). This

specifiescontrol by

 

 

that the indicated users or groups haveSYSIDthe

 

 

specified access authority when loading this

 

 

controlled program on the specified system.

 

 

system-identifieris the 4-character value specified

 

 

for

the

system identifier (SID) parameter of the

 

 

SMFPRMxx

member

of

PARMLIB.

 

 

 

 

 

 

WHEN(SYSID( system-identifier)) can be used only

 

 

for

resources

in

the

PROGRAM classOS/390. See

 

 

 

MVS Initialization and Tuning Refeforence

 

 

 

additional

 

information

on

 

SMFPRMxx.

 

 

 

 

 

For

more

information

on

the PERMIT

command,

 

 

 

seeOS/390 Security Server (RACF) Command

 

 

 

Language Reference.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14 OS/390 V2R4.0 Security Server (RACF) Planning: Installation and Migration

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Image 34
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Contents IBM Page IBM Fourth Edition, September IBMContents Get RacfConsiderations IndexPspi RacfPage USA IBMUSA Page Trademarks Page Who Should Use This Book How to Use ThisAbout This Book BookServer Racf Information , Package see Where to Find More InformationOS/390 Security Server Racf Information , PackageSK2T-2180 OS/390 CollectionIBM Systems Center Publications Racf home RACF-L discussion list Other Sources of InformationSecurity Sample codeFtp PublicationsFTP Servers Page PresentedRACF Planning inInstallation OS/390 VersionPage Migration Planning Considerations MigrationCustomization Considerations Installation ConsiderationsAdministration Considerations PSPGeneral User Considerations Auditing ConsiderationsApplication Development Considerations Data Areas OS/390 Security ServerPage Release Overview New and Enhanced SupportEnhancements to Support for OpenEdition Services UIDGID Run-Time Library ServicesPassword History Enhancements Gggg needsProgram ALLNew Fmid OW24966 Enhancements toGuide Enable/Disable ChangesAccess OW26237 EnhancementsRelease Callable ServicesNew Callable Services SYS1.SAMPLIBGID Class Descriptor Table CDTUID Commands Command Language ReferencePermit NoclauthParmlib Data Areas ICHRFX03 ExitsICHRFX04 New Messages MacrosMessages Changed MessagesDeleted Messages PanelsICHH241C ICHP241CICHP242A MemberOS/390 Security Server Publications LibraryChanges to the Racf Publications Library Data Areas This No longer Licensed Publication Its New FormPlanning Considerations Migration StrategyHardware Requirements Racf Migration and Planning for Racf 1.9.2GC23-3045Program Control by System ID CompatibilityOpenEdition MVS RELEASE=2.4 Keyword onPage Virtual Storage Installation ConsiderationsRacf Storage Considerations Racf Estimated Storage UsageHow System Programmers Guide ICBPage RACF/DB2 External Security Module Customization Customization ConsiderationsCustomer Additions to the Router Table and the CDT RACF/DB2Exit Processing Administration Guide Volume , SC26For OS/390 Version Installation OS/390 Security Server Racf System Programmers. GuidePassword History Changes Administration ConsiderationsTmeadmin Class Server Racf Security Administrators. GuideEnhancements of Global Access Checking Racroute REQUEST=LISTAuditors Guide Auditing ConsiderationsSMF Records SysidPage Fastauth Changes Application Development ConsiderationsProgramming Interfaces Racroute IcheintyPage General User Considerations Security Server Racf General Users. GuidePage MVS UpdateGlossary AuditData DirectionFacility DirectoryFile EntityGID HFSNode PasswordRequest UnitPads PositProcess UtilityFile System ClassificationVerifyx RootTarget Node SyscallTask Profile VerificationName SetsHow to Get Your Racf CD Cics TSO/EPage Index SeeLsqa See alsoexits IRR@XACS 19 Ispf panelsPlpa Raclist SMF80DTASee alsoRRSF router table SmfidPage Readers Comments Wed Like to Hear from You IBM Readers Comments Wed Like to Hear from YouPage IBM
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OS/390 specifications

IBM OS/390, a versatile operating system, was a cornerstone in enterprise environments and played a pivotal role in mainframe computing. Released in the mid-1990s, OS/390 combined the strengths of IBM's MVS (Multiple Virtual Storage) with new features and enhancements, targeting scalability, reliability, and performance in demanding business applications.

One of the key features of OS/390 was its robust support for multiple users and processes. The system allowed thousands of concurrent users to access applications and data, ensuring high availability and minimizing downtime—a critical requirement for many large organizations. This scalability was supported through various enhancements in memory management and processor scheduling, enabling optimal resource allocation across diverse workloads.

OS/390 was known for its superior workload management capabilities. The Workload Manager (WLM) component allowed administrators to define service policies, specifying how system resources would be allocated according to the priority of tasks. This ensured that critical business processes received the necessary resources while less critical tasks were managed more flexibly.

Another significant characteristic of OS/390 was its commitment to security. The operating system provided comprehensive security features, including user authentication, data encryption, and auditing capabilities. This focus on security was vital for organizations handling sensitive data, ensuring compliance with regulations and safeguarding against unauthorized access.

OS/390 also supported advanced technologies that facilitated integration and development. The system included features like the IBM CICS (Customer Information Control System) for transaction processing and IMS (Information Management System) for database management. These technologies allowed organizations to build robust, high-performance applications tailored to specific business needs.

The ease of network integration was another strength of OS/390. With the advent of the Internet and global connectivity, OS/390 systems could easily interface with various network protocols, enabling businesses to operate in a connected world. This inclusion paved the way for many organizations to expand their capabilities and offer new services, driving digital transformation.

In conclusion, IBM OS/390 represented a significant advancement in mainframe technology, combining scalability, security, and robust workload management. Its rich feature set and support for critical enterprise applications solidified its role as a vital component of many organizations' IT infrastructures, ensuring they could meet their operational challenges head-on while supporting future growth. As technology continues to evolve, the legacy of OS/390 remains influential in the realm of computing.
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