These questions are to be answered for linux. For each question (except for the first and last one, just simply give your answer), please list the following: a. Command used b. Copy-n-paste or take a picture of the output of the used command. Thank you.

a. What is the command or commands used to list the files in /var/log in order of their size? List the command and its output.

b. What is the command or commands used to list the top 10 file who use the most disk space? What is this command(s) and show its output?

c. What is the command that will show you the last 15 commands you have typed? List the command and its output.

d. What is the difference between the commands less and more?