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A Service Request Block (SRB) is a data structure of MVS/370 and successor versions of IBM mainframe operating systems employed mainly, but not exclusively, by the Start Input/Output interface. An SRB may be considered, in the abstract, to be a highly optimized Task Control Block (TCB), one which has few, if any, associated resources other than ...
Authorized Program Analysis Report. An APAR (Authorized Program Analysis Report) [1] (pronounced A-PAR, rhymes with far) is an IBM designation of a document intended to identify situations that could result in potential problems. It also serves as a request for the correction of a defect in current releases of IBM-supplied programs.
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A service-level agreement is an agreement between two or more parties, where one is the customer and the others are service providers. This can be a legally binding formal or an informal "contract" (for example, internal department relationships). The agreement may involve separate organizations or different teams within one organization.
The Service Bureau Corporation (SBC) had its origins in 1932 as the Service Bureau Division within IBM and was spun off as a wholly owned subsidiary in 1957 to operate IBM's burgeoning service bureau businesses. [1] IBM had operated service bureaus in major cities beginning in the 1920s allowing users to rent time on tabulating equipment, and ...
IBM System p. 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. Lower-cost but more powerful than its predecessors, the AS/400 was extremely successful at ...
Electronic mail (email or e-mail) is a method of transmitting and receiving messages using electronic devices. It was conceived in the late–20th century as the digital version of, or counterpart to, mail (hence e- + mail ).
International Business Machines Corporation. International Business Machines Corporation (using the trademark IBM ), nicknamed Big Blue, [ 6] is an American multinational technology company headquartered in Armonk, New York and present in over 175 countries. [ 7][ 8] IBM is the largest industrial research organization in the world, with 19 ...