Discussion
Which of the following is NOT a system call category?
Answer: D
'Data Compilation' is not a system call category. The usual categories are process control, file manipulation, device manipulation, information maintenance and communication. Process control, device manipulation and file manipulation are named in the options, so the fourth option is the odd one out. The system calls of an operating system let programs request services such as creating a process, opening a file or reading from a device.
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