Match List I (system calls) with List II (description). List I: A. fork(), B. exec(), C. kill(), D. exit(). List II: I. Sends a signal from one process to a particular process, II. Indicates termination of the current process, III. Loads the specified program in memory, IV. Creates a child process.

1. AA ‐ II , B ‐ III , C ‐ IV , D ‐ I
2. BA ‐ IV , B ‐ III , C ‐ I , D ‐ II
3. CA ‐ IV , B ‐ I , C ‐ II , D ‐ III
4. DA ‐ IV , B ‐ III , C ‐ II, D ‐ I

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Correct answer: B. A ‐ IV , B ‐ III , C ‐ I , D ‐ II

Explanation

fork creates a child; exec loads a new program; kill sends a signal; exit terminates the current process.