How many soft links are there in the /usr directory. Show the command and its output. Create a file named students containing the following data in your current directory. Each line in this file represents a student's first name, last name, and 3 exam scores. Each line should be regarded as a record containing 5 fields separated by one or more tab characters. You must use the awk command to answer the questions below Tom Jones 100 90 80 Nancy Jones 70 80 90 Terry Sims 55 65 75 g