Textbook Operating systems (3rd edition. Gary nutt)

(60 points) 3, Please read Lab 3.1-Observing OS behavior on p. 112 of the textbook. This will give you the necessary background on /proc file system of Linux Implement this program (open, read, and close files): a. pick up any running process, obtain its PID, and report its "cmdline"; b. report /proc/modules (60 points) 3, Please read Lab 3.1-Observing OS behavior on p. 112 of the textbook. This will give you the necessary background on /proc file system of Linux Implement this program (open, read, and close files): a. pick up any running process, obtain its PID, and report its "cmdline"; b. report /proc/modules