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system call
(redirected from Syscall)

    Also found in: Acronyms, Wikipedia 0.04 sec.
system call [′sis·təm ‚kȯl]
(computer science)
supervisor call
(operating system, programming)system call - The mechanism used by an application program to request service from the operating system. System calls often use a special machine code instruction which causes the processor to change mode (e.g. to "supervisor mode" or "protected mode"). This allows the OS to perform restricted actions such as accessing hardware devices or the memory management unit.


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The new agent complements Core Security's patent-pending Syscall Proxying technology to provide the most robust and flexible penetration testing environment available today.
Core Security Technologies Unveils CORE IMPACT 6 - Providing New ... by Business Wire
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