Read and the system call, In the example given in Fig.

Read and the system call

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1. In the example given in Fig. 1-17, the library procedure is called read and the system call itself is called read. Is it essential that both of these have the same name? If not, which one is more important?

2. Modern operating systems decouple a process address space from the machine's physi- cal memory. List two advantages of this design.

3. To a programmer, a system call looks like any other call to a library procedure. Is it important that a programmer know which library procedures result in system calls? Under what circumstances and why?

Reference no: EM13972043

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