Table 30.

PRINTDEV Parameter Comparison

 

 

 

 

PSF/VSE

OS/390 Equivalent Parameter

Description and Comment

PRINTDEF

 

 

Parameter

 

 

 

 

 

ASA

(not necessary)

ASA control records do not need

 

 

conversion

 

 

 

CKPTPAGE

JES2 parm:

Number of pages to be printed before

 

PRT(nnnn) CKPTPAGE

a checkpoint is taken.

 

 

 

FONTPR

PSF APSUX07 Exit

Whether font pruning will occur.

 

(Resource management exit)

 

 

 

 

JSEPS

JES2 parm:

Use PSF exits APSUX01, -02, -03 for

 

PRT(nnnn) SEP=

additional controls

 

 

 

LOGDEST

JES2 parm:

One to four logical destination names

 

PRT(nnnn) Routecde=

used to select output from spool

 

 

 

MESSAGE

PSF PRINTDEV statement:

Name points to an // OUTPUT

= ( p a g e d e f ,

MESSAGE=* . name

statement for Page and Form

formdef)

 

definitions for Messages

 

 

 

MRKFRM

JES2 parm:

Marking of the separator pages.

 

PRT(nnnn) MARK=

 

 

 

 

NOTIFY

(No equivalent)

Whether PSF notifies the operator of

 

 

print errors

 

 

 

N P R O = n n n

JES2 parm:

Number of seconds before a

 

PRT(nnnn) NPRO=ssss

nonprocess runout

 

 

 

OUTFONTS

(no parameter)

Use PSF exit APSUX07 to activate

 

 

outline fonts.

 

 

 

RESCBUFS

(not necessary)

PSF/MVS loads resources a buffer at

 

 

a time.

 

 

 

RESOURCE

(no parameter)

Use PSF exit APSUX07 to keep or

 

 

delete resources.

 

 

 

SEPPAGE

PSF PRINTDEV statement:

Names of the page and form definition

 

J O B H D R = , a n d J O B T R L R =

for separator pages are specified on

 

 

an // OUTPUT statement in the PSF

 

 

startup proc.

 

 

 

UNIT

JES2 parm:

Physical unit address for locally

 

PRT(nnnn) UNIT=/ccua

attached printer.

 

 

 

Chapter 11. Advanced Function Printing and Print Services Facility/MVS 239

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IBM OS/390 manual Printdev Parameter Comparison
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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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