What is the purpose of a 'System Call' in an operating system environment?
A. To let a remote computer access the local area network configuration.
B. To provide a programmatic interface for user applications to request privileged services from the kernel.
C. To clean up invalid registry keys from secondary storage hardware.
D. To dial a toll-free technical support number automatically.
Answer: Option B
Solution (By JKSSB Mock Tests)
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
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