This page is intended to be an index of observations in respect of OS/390 primarily, but also of z/OS, based on KMS-IT experience.

Those without prior knowledge of OS/390 are urged to visit Verhoef Training Limited (for non-UK residents try Verhoef Information Packages, Inc.) to ascertain what training is avaialble.

If you have any immediate queries or questions about OS/390 or z/OS please click here.

OS/390 Topics

• Base Control Program - (BCP)
• Data Management
• OS/390 Pedigree
• Storage Management
• Transaction Processing

Base Control Program - (BCP)

• The base for OS/390 Version 1, Release 1 was MVS/ESA 5.2.2.
• (See - OS/390 Pedigree)

Data Management

• Data Set Organisation - (DSORG)
• Open/Merge Processing
• Record Formats - (Including BDW, RDW, and SDW)
• Standard Labels for Cartridges
• Utilities
  • IDCAMS
  • IEBCOMPR
  • IEBCOPY
  • IEBGENER
  • IEBISAM
  • IEBPTPCH
  • IEBUPDTE
  • IEFBR14
  • IEHLIST
  • IEHMOVE
  • IEHPROGM

Storage Management

• Exploitation
• Virtual Storage Schematic
• Why not 32-bit addressing?

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