supervisor call (SVC)

supervisor call (SVC)

(1) A request that serves as the interface into operating system functions, such as allocating storage. The SVC protects the operating system from inappropriate user entry. All operating system requests must be handled by SVCs.
(2) An instruction that interrupts the program being run and passes control to the supervisor so that it can perform the specific service indicated by the instruction.

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Industry/Domain: Software
Category: Globalization software service
Company: IBM
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