Operating System/400

Operating System/400 (OS/400) is the operating system for IBM's Application System/400 (AS/400).

Features

 * Control Language (CL)
 * OS/400 Procedures Language 400/REXX (REXX/400)


 * Media and Storage Extensions
 * Print Services Facility/400

Versions

 * Version 1 Release 1 (1988)
 * Version 1 Release 2


 * Version 2 Release 1 (May 1991)
 * Version 2 Release 1.1
 * Version 2 Release 2 (Dec 1992)
 * Version 2 Release 3 (Dec 1993)


 * Version 3 Release 0 Modification 5 (Jun 1994)
 * Version 3 Release 1 (1994) - database manager renamed to DB2/400
 * Version 3 Release 2
 * V3R6
 * Version 3 Release 7 (Nov 1996)
 * Version 4 Release 2

Publications

 * System Operator's Guide, SC41-8082
 * Programming: Work Management Guide, SC41-8078
 * AS/400 Programming Reference Summary Version 3, SX41-3720-01
 * Programming: Reference Summary, SX41-0028