this is done in Linux

Exercise #4: Basic commands review 1) Log in as the default user, what is your default prompt? 2) What does whoami return? 3) What dose the command uname return? 4) To display Linux kernel version, you should type 5) Type hostname at command line, record the output 6) Type pwd. What does it display? 7) What does we -l /ete/passwd display? 8) What is the purpose of xc command? (using man for help) 9) Type the following commands and record the output: touch lab51 lab52 ls -i lab51 lab52 10) Type man ls and see what the-j switch does. Explain what it does 11) What is the command to take you to your home directory? Be specific. Show two methods. 12) How many top-level subdirectories are located under the root( of the file system? 13) What command do you use to remove a empty directory