Question: In Unix-like operating systems, there is both a API library function named read(), and asystem call referred to as read in the Unix documentation. However,

In Unix-like operating systems, there is both a API library function named read(), and asystem call referred to as read in the Unix documentation. However, Unix system calls do notactually have names like a library function does.

a. How is the Unix system call read actually invoked?

b. Why are Unix system calls invoked this way?

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a The Unix system call read is invoked through the software interrupt mechanism When a program needs ... View full answer

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