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The IBM AS/400 (Application System/400) is a family of midrange computers from IBM announced in June 1988 and released in August 1988. It was the successor to the System/36 and System/38 platforms, and ran the OS/400 operating system.
The RPG programming language originally was created by IBM for their 1401 systems. IBM later produced implementations for the 7070/72/74 [4] [5] and System/360; [6] RPG II became the primary programming language for their midrange computer product line, (the System/3, System/32, System/34, System/38, System/36 and AS/400).
IBM i (the i standing for integrated) [6] is an operating system developed by IBM for IBM Power Systems. [7] It was originally released in 1988 as OS/400 , as the sole operating system of the IBM AS/400 line of systems.
The IBM System p is a high-end line of RISC /UNIX-based servers. It was the successor of the RS/6000 line, and predecessor of the IBM Power Systems server series. History
On February 16, 1993 IBM announced that V2R3 of OS/400 would include major changes to its programming language support – the introduction of ILE. [2] [3] [4] It provided a common interface among the disparate programming languages available to the AS/400 computer platform. ILE was an improvement on the two existing programming models ...
In the System/36 implementation of RPG II, there are eight different specification (spec) types, that is a fixed-format line of text, 80 characters (bytes) in length, derived from the original use of punched card input for earlier IBM systems, like the System/3.
These are utility program that IBM documents in service aids or diagnosis [6] manuals. The original OS/360 Service aids had names beginning with IFC and IM*, but IBM changed the naming convention to HM* for OS/VS1 and to AM* for OS/VS2. IBM did not change the IFC convention.
Qshell is an optional command-line interpreter for the IBM i operating system.Qshell is based on POSIX and X/Open standards. It is a Bourne-like shell that also includes features of KornShell. [1]