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1) Write a shell pipeline which will print how many classes there are.
Q1 answer: 


2) Write a shell pipeline which will print how many different courses have classes.
Q2 answer: 


3) Write a shell pipeline which will print the course with the most classes, and how many classes are in this course.
Q3 answer: 


4) Write a shell pipeline which will print the two rooms most frequently used by non-LAB CSE classes and how often they are used.
Q4 answer: 


5) Write a shell pipeline which will print the most common day and hour in the week for classes to start and how many classes start at that time.
Q5 answer: 


6) Write a shell pipeline which will print the latest time a class will finish.
Q6 answer: 


7) Write a shell pipeline which will print a list of the course codes of COMP courses that run 2 or more classes of the same type starting at the same time on the same day.  (e.g. three tuts starting Monday at 10:00).
Q7 answer: 
