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How do i create N child processes, each of which executing one of the N commands are executed concurrently

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as /bin/ls, /bin/ps, /bin/date, /usr/bin/who,/bin/uname etc).
Assume the number of such commands is N, your
program would then create A child processes, each of
which executing one of the Ncommands. You should
make sure that these N commands are executed
concurrently, not sequentially one after the other. The
parent process should be waiting for each child process
to terminate. When a child process terminates, the
parent process should print one line on the standard
output stating that the relevant command has completed
successfully or not successfully (such as "command /bin/who
has completed successfully"). Once all of its child processes
have terminated, the parent process should print "All
done, bye-bye!" before it itself terminates.

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