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.Describe what you see when you run the following Linux command: telnet towel.blinkenlights.nl

b. What is the command to determine the kernel version of your OS? Please write the command and its output.

c. What is the command to determine the current user logged in? Please write the command and its output.

d. What is the command or commands that will show you the last 15 lines of the /var/log/kern.log file? Please write the commands and copy the output. i. If your system does not have a kern.log, simply print which ever file in your system stores system logs.

e.What is the command or commands that will show you all the login attempts for your username? Please write the commands and copy the output.

f. Using the dmesg command, show only the messages relating to warnings and errors. Also ensure the output is using a human readable time format. To verify that only error and warning messages are being show what option of dmesg would you use? Show both commands that were used.

g. What command would you use to display free disk space? List the command and its output.

h. What is the command or commands that would list the contents of the /var/log directory in alphanumeric order? List the command and its output.

i. 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.

j. 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?

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

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