1. Which of the following system calls can be used to send a message via a connected socket? Answers: • send --- or --- • sendto ---- or ---- • sendmsg --- or ----- • write 2. Which of the following methods can be used as a communication mechanism between two unrelated processes? Answers: • A pipe using the pipe system call. --- or ---- • A named pipe using the mknod system call. --- or ---- • Named sockets. 3. Which of the following are true of Unix system calls? Answers: • The routine "malloc" which is used for allocating memory is a system call. --- or --- • A new file can be created using the "open" system call. 4. Which of the following Linux commands can be used to identify the processes consuming maximum resources (CPU, Memory)? Answers: • ps --- or ---- • top 5. Which of the following signals are used by the Unix shell to implement job control? Answers: • SIGSTOP --- or --- • SIG...
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