$5.$ In one command line, use grep to find all entries that contain a given word from a given file. Redirect the results to a file. The output file should be called yourname$-$YYYY$-$MM$-$DD$.$txt$,$ where YYYY MM DD are the current day and system time which you need to get from the server. For example $$find all occurrences of John in the $/$etc$/$passwd file and redirect to a file called mpenta$-2024-05-01.$txt$.$