Interactive Application System

Interactive Application System (IAS)
DeveloperDigital Equipment Corporation
OS familyRSX-11
Working stateDiscontinued
Initial release1975 (1975)
Latest release3.4 / May 1990 (1990-05)
Available inEnglish
PlatformsPDP-11
Influenced byRSX-11D
Default
user interface
PDS or MCR Command-line interface
LicenseProprietary

Interactive Application System (IAS) was a DEC operating system for the PDP-11.[1] It was a fork from RSX-11D.[2][3]

The last major release, Version 3.0, began distribution late 1979;[4] the final version, 3.4, came out May 1990.[1]

  1. ^ a b "IAS_3.4A_SPD_May1990 PDF" (PDF). BitSavers. May 1990.
  2. ^ "D" for Disk, since 11A & 11C were paper-tape based
  3. ^ "DIGITAL EQUIPMENT CORPORATION - Nineteen Fifty-Seven To The Present (PDF). Digital Equipment Corporation. 1975" (PDF).
  4. ^ "PDP-11 System Software Component Catalogue" (PDF). October 1979.

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