Section 2: OS Administration using Command Line Interface (CLI) (20 marks) _________________________________________________________________________________ Refer to the man command to understand the syntax and parameters for the commands that you would be using in this section. I. Demonstrate the following Unix/Linux commands in the lab to your tutor before week 6 and paste the screen shots of the execution in the same word file that has section 1 of the assignment. i. How do you know if a remote host is alive or not? ii. How do you find which process is taking how much CPU? iii. How do you check how much space is left in current drive? iv. How do you find whether your system is 32 bit or 64 bit? v. In a file word UNIX is appearing many times. How will you count the number of these occurrences? II. Type in the following commands and discuss the outputs you get after execution of the commands. Also, paste the screen shots of the output obtained in the same word file used for above question and section 1 of the assignment. a. % cat /etc/hosts cat? b. % echo "Home Directory Is home" uppercase $HOME? c. % who | wc d. % who > logged.users e. %date "+%m/%d/%y" %date "+%Y%m%d" %date +'%-4.4h %2.1d %H:%M'