IBM MTCS

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This article is about IBM's Mainframe Software. For Multi-Tier Cloud Security Standard, see SS584.


MTCS (Minimum Teleprocessing Communications System) was a

DOS/VS.[1]

MTCS was available from

3270
display terminals).

The 'official' version of MTCS was a

single thread only and was a forerunner of CICS
before it was released. An unofficial and multi-threaded version of MTCS was developed by
Granada Productions
under a license agreement.

Transactions

An MTCS transaction is a set of operations which together perform a task. Usually, the majority of transactions are relatively simple tasks such as updating the balance of an account.

MTCS applications comprise transactions which were written in IBM

3270
terminals.

Each MTCS program was initiated using a transaction identifier. MTCS screens were sent as native

3270
datastreams to the terminal.

History

The first release of MTCS was made available prior to the first release of CICS in the late 1960s. A forerunner of MTCS was known as "

BTAM based product that controlled IBM 2260
display terminals

Further reading

According to IBM System/360 and System/370 Bibliography of September 1974 (GA22-6822-21, File No. S360/S370-00),[2] MTCS is described by the following manuals:

  • GB21-0061, MINIMUM TELEPROCESSING COMMUNICATION SYSTEM (DOS) - FDP AVAILABILITY NOTICE, PROG. NO. 5798-AAY
  • SB21-0062, MINIMUM TELEPROCESSING COMMUNICATIONS, SYSTEM MANUAL PROGRAM NUMBER 5798-AAY
  • LB21-0063, MINIMUM TELEPROCESSING COMMUNICATIONS SYSTEM: FDP SYSTEMS GUIDE, PROG. NO. 5798-AAY. FEATURE NO. 8021

See also

References

  1. ISSN 0010-4841
    – via Google Books. IBM's Minimum Teleprocessing Communications System software package, which supervises the remote operations, was moved to the 360/40 from the 370/125 without modification, he noted.
  2. ^ IBM System/360 and System/370 Bibliography (PDF). IBM Corporation. 1974.
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