UNIX Command $ls –author -l total 4 -rw-r–r– 1 jeffrin jeffrin jeffrin 0 Feb 19 22:30 a1.txt -rw-r–r– 1 jeffrin jeffrin jeffrin 2 Feb 19 22:31 a2.txt $ls -l total 4 -rw-r–r– 1 jeffrin jeffrin 0 Feb 19 22:30 a1.txt -rw-r–r– 1 jeffrin jeffrin 2 Feb 19 22:31 a2.txt $ UNIX Explanation –author with -l, …