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Meaning of system call | Babel Free

Noun CEFR B2

Definitions

A function provided by an operating system to allow userspace programs access to privileged features, such as accessing the system's hardware.
A particular invocation of an operating-system-provided system-call function.

Examples

“The OS provides a system call to open a file, returning file descriptor that can be used to access it.”

“After a system call, control is returned to the process.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

system card System D System F system of equations system of numeration system on a chip