Need help with linux Command question. Thank you.

Display the current working directory. Be sure you are in your home directory. 6

Create a new directory, "csci3800sp22".

7. Change the current working directory to "csci3800sp22".

. Copy a tar file, "src.3e.tar.gz", from "/var/tmp" to the current directory. (please show explanations how to copy a tar file to the current directory