IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series...

IBM Z is a family name used by IBM for all of its z/Architecture mainframe computers. In July 2017, with another generation of products, the official family...

during the mid-1990s, when CMOS mainframe designs replaced the older bipolar technology. IBM claimed that its newer mainframes reduced data center energy costs...

Linux on IBM Z, Linux on zSystems, or zLinux is the collective term for the Linux operating system compiled to run on IBM mainframes, especially IBM Z, zSystems...

The IBM System/390 is a discontinued mainframe product family implementing ESA/390, the fifth generation of the System/360 instruction set architecture...

IBM System z9 is a line of IBM mainframe computers. The first models were available on September 16, 2005. The System z9 also marks the end of the previously...

The history of IBM mainframe operating systems is significant within the history of mainframe operating systems, because of IBM's long-standing position...

the 1980s, IBM and other vendors have created PC-based IBM mainframe-compatible systems which are compatible with the larger IBM mainframe computers....

(ESAME), is IBM's 64-bit complex instruction set computer (CISC) instruction set architecture, implemented by its mainframe computers. IBM introduced its...

In the context of IBM mainframe computers in the IBM System/360 line and its successors, a data set (IBM preferred) or dataset is a computer file having...

Watson's lieutenants, John R. Opel, who managed the launch of IBM's System/360 mainframe family in 1964. The slowest System/360 model announced in 1964...

capacity is stated as 112 MB. The 2302 attaches to IBM mainframes via a IBM 2841 Storage Control Unit. The IBM 2305 fixed head storage (a fixed-head disk drive...

platforms, including the IBM RS/6000 series and later Power and PowerPC-based systems, IBM System i, System/370 mainframes, PS/2 personal computers,...

and as a terminal to a mainframe. IBM later released the 3270 AT (IBM System Unit 5273), which is a similar design based on the IBM PC AT. They also released...

stores, subsidiaries, etc., and to be connected to the central host mainframe, using IBM Systems Network Architecture (SNA). Although its successor's role...

has media related to Midrange computers. IBM mainframe Superminicomputer Minicomputer Microcomputer List of IBM products Estabrooks, Maurice (1995). Electronic...

The z15 is a microprocessor made by IBM for their z15 mainframe computers, announced on September 12, 2019. The processor unit chip (PU chip) has 12 cores...

The IBM 700/7000 series is a series of large-scale (mainframe) computer systems that were made by IBM through the 1950s and early 1960s. The series includes...

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...

by IBM for the IBM z16 series mainframe computers. The processor was announced at the Hot Chips 2021 conference on 23 August 2021. Telum is IBM's first...

and IBM Z IBM mainframe computers. IBM developed MVS, along with OS/VS1 and SVS, as a successor to OS/360. It is unrelated to IBM's other mainframe operating...

in 1971 and normally used to communicate with IBM mainframes. The 3270 was the successor to the IBM 2260 display terminal. Due to the text color on the...

z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. It derives from and is the successor to OS/390...

Telecommunications Access Method (VTAM), the mainframe software package for SNA communications. SNA was made public as part of IBM's "Advanced Function for Communications"...

VM (often: VM/CMS) is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible...

In computing, a Parallel Sysplex is a cluster of IBM mainframes acting together as a single system image with z/OS. Used for disaster recovery, Parallel...

VSEn (Virtual Storage Extended) is an operating system for IBM mainframe computers, the latest one in the DOS/360 lineage, which originated in 1965. It...

withdrawn in 2005. List of IBM products IBM mainframe History of IBM Emerson W. Pugh; Lyle R. Johnson; John H. Palmer (1991). IBM's 360 and early 370 systems...

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...

The IBM 3090 family is a family of mainframe computers that was a high-end successor to the IBM System/370 series, and thus indirectly the successor to...