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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 and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
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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 through the IBM Z.
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 to facilitate time-sharing applications, notably a Dynamic Address Translation unit, the "DAT box", to support virtual memory, 32-bit addressing and the 2846 Channel Controller to allow sharing channels between processors. The S/360-67 was otherwise compatible with the rest of the S/360 series.
Elgin Community College (ECC) is a public community college in Elgin, Illinois. It was founded in 1949 as part of Elgin Area School District U46. Community College District 509 was formed 17 years later in 1966, a year after Illinois legislators created the Illinois Community College System. Most of the District is in Kane County with portions in DeKalb, Cook, McHenry, and DuPage. The 360-square-mile (930 km2) District serves 300,000 people, 11,000 businesses, four public school districts, and 15 high schools.
The history of IBM mainframe operating systems is significant within the history of mainframe operating systems, because of IBM's long-standing position as the world's largest hardware supplier of mainframe computers. IBM mainframes run operating systems supplied by IBM and by third parties.
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Linux on IBM Z or Linux on zSystems is the collective term for the Linux operating system compiled to run on IBM mainframes, especially IBM Z / IBM zSystems and IBM LinuxONE servers. Similar terms which imply the same meaning are Linux/390, Linux/390x, etc. The three Linux distributions certified for usage on the IBM Z hardware platform are Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and Ubuntu.
Mainframe computers are computers used primarily by businesses and academic institutions for large-scale processes. Before personal computers, first termed microcomputers, became widely available to the general public in the 1970s, the computing industry was composed of mainframe computers and the relatively smaller and cheaper minicomputer variant. During the mid to late 1960s, many early video games were programmed on these computers. Developed prior to the rise of the commercial video game industry in the early 1970s, these early mainframe games were generally written by students or employees at large corporations in a machine or assembly language that could only be understood by the specific machine or computer type they were developed on. While many of these games were lost as older computers were discontinued, some of them were ported to high-level computer languages like BASIC, had expanded versions later released for personal computers, or were recreated for bulletin board systems years later, thus influencing future games and developers.
References
- ↑ Salamone, Salvatore. "It's Now Cool to Master the Mainframe" . Retrieved 10 January 2012.
- ↑ Todd, Mike; Newton, P. "Master the Mainframe Contest: Past, Present and Future" (PDF). ECC 2011. p. 8. Retrieved 10 January 2012.
- ↑ Todd, Mike; Newton, P. "Master the Mainframe Contest: Past, Present and Future" (PDF). ECC 2011. pp. 3–4. Retrieved 10 January 2012.
- ↑ Sharma, Niranjan. "IBM Academic Initiative Helps Fill the Skills Gap" . Retrieved 10 January 2012.
- ↑ Todd, Mike; Newton, P. "Master the Mainframe Contest: Past, Present and Futur" (PDF). ECC 2011. Archived from the original (PDF) on 25 February 2014. Retrieved 11 January 2012.