Purpose of This Labwork:

The purpose of this labwork is to practice on awk scripts.

In this lab, you are expected to process an input file$($std$.$txt$)$ with the following fields: username, name, last name, date, time. Date format is day$/$month$/$year$.$ Username starts with std and ins for students and instructors respectively.

You will find how many times students and instructors logged into the system in $2017.$

You will display the following output:

Students: $3$

Instructors: $3$

Recall: You should add the line at beginning of the awk file $"$#$!/$bin$/$awk $-$f$".$

When you want to run your awk script, your command should be "awk $-$f your.awk std$.$txt$"$