Skip to content
zLog

zLog

For and by Mainframe Users

Menu
  • Home
  • Forum
  • MAINFRAMES
    • COBOL
    • JCL
    • DATABASE
      • IBM DB2
      • Other Databases
    • CICS, Middleware and MQ Series.
    • TSO & ISPF
    • Third Party Tools
      • SORT
  • Everything Else
    • Everything else
  • About Us
  • Log In

Tag: Mainframe

Deciphering the Mainframe Alphabet: Collating Sequences, EBCDIC & ASCII Demystified

No Comments
| Mainframes

Collating Sequences in mainframes For those venturing into the realm of mainframes, understanding the underlying character sets and their intricacies […]

Read More »

Automating Mainframe CI/CD with GitHub Actions: A Practical Guide

No Comments
| DevOps

The venerable world of mainframes is undergoing a revolution. Gone are the days of siloed processes and manual deployments. Enter […]

Read More »

Understanding Level-49 in COBOL

1 Comment
| Cobol, Mainframes

Level-49 is a special data item level in COBOL that is reserved explicitly for defining condition names. A condition name is a symbolic representation of a particular condition or state of a data item. It is associated with a particular data item and can be used in conditional expressions, such as IF statements and EVALUATE statements, to control the flow of the program based on the condition’s status.

Read More »

Is mainframe easy to learn?

4 Comments
| Mainframes

The first step to programming on mainframes is to learn the programming languages that are commonly used, such as COBOL and PL/I. These languages are designed to work with the mainframe environment and will be required to write, test, and run programs on the mainframe.

Read More »

Is it DFSORT or SyncSort?

1 Comment
| Mainframes, sort

Is it DFSORT or SyncSort? DFSORT is a sort product sold by IBM. SYNCSORT is a competing product sold by […]

Read More »

JCL – Job Control Language.

1 Comment
| Mainframes, JCL

JCL – Job Control Language.   Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems. […]

Read More »

BSAM – Basic Sequential Access Method.

No Comments
| Access Methods, Mainframes

BSAM is Basic Sequential Access Method. This is an access method for storing or retrieving data blocks in a continuous […]

Read More »

BDAM – Basic Direct Access Method.

No Comments
| Mainframes

Basic Direct Access Method (BDAM) arranges records in any sequence your program indicates, and retrieves records by actual or relative […]

Read More »

IMS DB.

No Comments
| Mainframes

IMS DB in Mainframes   On July 20, 1969, the human race accomplished its single greatest technological achievement of all […]

Read More »

VSAM

No Comments
| Mainframes, VSAM

VSAM The term Virtual Storage Access Method (VSAM) applies to both a data set type and the access method used […]

Read More »

Posts pagination

1 2 Next

Categories

  • Access Methods (5)
  • Cobol (12)
  • Database (2)
  • DevOps (24)
  • Everything else (17)
  • IBM DB2 (3)
  • Interviews Requests (1)
  • JCL (9)
  • Mainframes (125)
  • Other Databases (1)
  • REXX (2)
  • sort (9)
  • TSO & ISPF (2)
  • Uncategorized (2)
  • VSAM (2)
  • Webmaster (3)

Tag Cloud

#devops #DigitalTransformation #mainframe #MainframeModernization #mainframeperformance #MainframeSecurity agility AI Automation Case Studies cloud integration COBOL Collaboration Compliance containerization continuous integration cpu data security DB2 DevOps Digital Transformation efficiency Encryption IBM ICEGENER. SyncSort ICEMAN ICETOOL Integration JCL legacy modernization Legacy systems machine learning Mainframe mainframe development Mainframe modernization mainframes microservices Modernization monitoring Reliability Resource Allocation Scalability Security SyncTool z/OS

Recent Posts

  • COBOL Modernization in 2025: Breathing New Life into a Classic Language
  • Why Mainframes Are Still Indispensable in the Cloud Era
  • Navigating Legacy System Modernization Without Disruption
  • The Timeless Backbone of IT: Mainframes’ Role in Modern Enterprises
  • COBOL in the 21st Century: Modernization and Beyond

zLog 2025 .

Privacy | Terms | Adsense Disclaimer