Exercises

1. You are logged in with a VT100 ASCII terminal, and you have a job to run that you KNOW will take ten minutes to execute. How can you run this job at the same priority as interactive jobs, but still read and respond to your mail
2. Using that same job, I want you to run it at 3:00 AM. How will you do that
3. Use the same job again. Suppose you want to run the job during the day, but you don't want to interfere with other users' interactive work. How could you do it What is the preferred way
4. Suppose you have a series of ten jobs you would like to run. They all produce output. You are also interested in finding out how much CPU time and system time those jobs took. You do not want to affect interactive users when those jobs are running. How will you do it
5. You have a program that needs to be run at 2:30 AM every Wednesday. How can you do that
6. Send two jobs to be run tomorrow afternoon, at 1:00 PM and 3:00 PM respectively. Suppose you now change your mind: you now want to run only ONE job at 2:00 PM tomorrow. Take the necessary steps to meet that goal.