System Support Program

System Support Program (SSP)
Main Menu of SSP 7.5, shown inside a TN5250 client
DeveloperIBM
Working stateDiscontinued
Initial release1977; 47 years ago (1977)
PlatformsSystem/34 and System/36 minicomputer
Default
user interface		Command-line interface
LicenseProprietary
Preceded bySystem/32 System Control Program (SCP)
Succeeded byOS/400

System Support Program (SSP) was the operating system of the IBM System/34 and System/36 minicomputers. SSP was a command-based operating system released in 1977.[1]

  1. ^ "IBM March - April 1977 Announcements: Operating System" (PDF). HP computer systems newsletter. June 1, 1977. p. 15.