The IBM System/360 (S/360) is a family of computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. System/360 was the...
84 KB (8,974 words) - 12:59, 4 August 2025
The IBM System/360 architecture is the model independent architecture for the entire S/360 line of mainframe computers, including but not limited to the...
79 KB (6,787 words) - 11:51, 27 July 2025
Operating System/360, also DOS/360, or simply DOS, is the discontinued first member of a sequence of operating systems for IBM System/360, System/370 and...
29 KB (3,659 words) - 16:12, 19 July 2025
market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments...
16 KB (1,805 words) - 13:50, 1 May 2025
OS/360, officially known as IBM System/360 Operating System, is a discontinued batch processing operating system developed by IBM for their then-new System/360...
67 KB (6,798 words) - 01:20, 29 July 2025
The IBM System/370 (S/370) is a range of computers, from entry-level to mainframes, announced as the successors to the System/360 family on June 30, 1970...
99 KB (7,317 words) - 12:52, 4 August 2025
IBM System/360 Model 91 was announced in 1964 as a competitor to the CDC 6600. Functionally, the Model 91 ran like any other large-scale System/360,...
11 KB (1,096 words) - 09:27, 27 January 2025
The IBM System/390 is a discontinued mainframe product family implementing ESA/390, the fifth generation of the System/360 instruction set architecture...
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The IBM Basic assembly language and successors is a series of assembly languages and assemblers made for the IBM System/360 mainframe system and its successors...
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The IBM System/360 Model 67 (S/360-67) was an important IBM mainframe model in the late 1960s. Unlike the rest of the S/360 series, it included features...
30 KB (2,700 words) - 06:31, 18 July 2025
The IBM System/360 Model 30 was a low-end member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October...
17 KB (1,713 words) - 23:26, 14 September 2024
The IBM System/360 Model 25 is a low-end member of the IBM System/360 family. It was announced on January 3, 1968, 3 years before the IBM System/360 Model...
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Operating System/360 (BOS/360) was an early IBM System/360 operating system. BOS was one of four System/360 Operating System versions developed by the IBM General...
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version on the IBM System/360 Model 65 was completed in 1967 as ICS/DL/I and officially installed in August 1968. IBM rebranded it IMS/360 in 1969, and...
15 KB (1,719 words) - 21:26, 6 July 2025
The IBM System/360 Model 20 is the smallest member of the IBM System/360 family announced in November 1964. The Model 20 supports only a subset of the...
19 KB (2,286 words) - 12:34, 4 August 2025
the IBM System/360; the combination was also available on the IBM 1130 and the IBM 1800. The drive also directly attaches to the IBM System/360 Model...
75 KB (9,527 words) - 09:33, 2 June 2025
The IBM System/360 Model 40 was a mid-range member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October...
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operations. The IBM Z family maintains full backward compatibility. In effect, current systems are the direct, lineal descendants of the System/360, announced...
49 KB (5,373 words) - 07:16, 18 July 2025
Bootloader (section IBM System/360 and successors)
next-stage bootloader (such as BOOTMGR and GRUB2) from EFI System Partition directly. In IBM System/360 and successors, the LOAD operator control initiates a...
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than half cost of an IBM System/360 Model 20; the smallest member of the IBM System/360 family. Many of the original System/3 model 10 units were shipped...
20 KB (2,785 words) - 20:15, 25 August 2024
the IBM Federal Systems Division and produced by the Electronics Systems Center in Owego, NY. It descends from the approach used in the System/360 mainframe...
15 KB (1,611 words) - 21:40, 6 June 2025
The history of IBM mainframe operating systems is significant within the history of mainframe operating systems, because of IBM's long-standing position...
51 KB (5,935 words) - 20:24, 25 May 2025
The IBM System/360 Model 195 is a discontinued IBM computer introduced on August 20, 1969. The Model 195 was a reimplementation of the IBM System/360 Model...
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The IBM Time Sharing System TSS/360 is a discontinued early time-sharing operating system designed exclusively for a special model of the System/360 line...
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address. The IBM System/360 is another architecture without a hardware stack. The examples below illustrate the calling convention used by OS/360 and successors...
33 KB (4,158 words) - 01:47, 12 July 2025
The IBM System/360 Model 85 is a high-end member of the System/360 family of computers, with many advanced features, and was announced in January 1968...
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Z/VM (category IBM mainframe operating systems)
1960s, particularly IBM's CP/CMS on the IBM System/360-67 (see article History of CP/CMS for historical details). z/VM runs on IBM's IBM Z family of computers...
7 KB (723 words) - 18:21, 16 July 2025
The IBM System/360 Model 65 is a member of the IBM System/360 family of computers. It was announced April 1965, and replaced two models, the Model 60...
6 KB (597 words) - 21:05, 5 July 2025
The IBM System/360 Model 50 is a member of the IBM System/360 family of computers. The Model 50 was announced in April 1964 with the other initial models...
14 KB (1,410 words) - 01:09, 6 July 2025
The IBM 2250 Graphics Display Unit was a vector graphics display system by IBM for the System/360; the Model IV attached to the IBM 1130. The IBM 2250...
7 KB (641 words) - 10:25, 30 July 2025