$2.$ Follow the Textbook Appendix B and the Unix Tutorial PPT given in the homework folder to complete the following tasks on the ASU General server:

$2\mathrm{.}1$ Create a new directory called CSE$240.$ Use cd CSE$240$ to enter the new directory. Use pwd command to find the path from the Unix root directory to your current directory.

$2\mathrm{.}2$ Create three new subdirectories inside CSE$240.$ Name the directories d$1,$ d$2,$ and d$3$ respectively.

$2\mathrm{.}3$ Enter the directory d$1$ and use nano or vim to create a new program called hello.c and enter the following code into the program. You must use your name to replace the name $$John Doe$.$ Save the file.

Use gcc hello.c $-$o hello to compile the program. Fix any compilation errors if any.

$2\mathrm{.}4$ Use ls$,$ ls $-$l$,$ and ls $-$al respectively to list files in d$1$ directory. Use command $./$hello to execute the compiled code. $.[3$ points$]$

Take screenshots of each command in this question. You may take one screenshot with all commands in it$.$