0. Create your answer directory (0x02_emacs)

SSH into your sandbox or Linux/Macos machine

After login into your sandbox, navigate to /root directory.

cd /root

Then run mkdir to create a directory

mkdir 0x02_emacs

mkdir is used to create directories using the terminal in Linux/Unix operating systems, if they do not exist.

Advanced usage

mkdir [OPTION].. DIRECTORY

Options

-m, --mode=MODE
    set file mode (as in chmod), not a=rwx - umask
-p, --parents
    no error if existing, make parent directories as needed
-v, --verbose
    print a message for each created directory
-Z, --context=CTX
    set the SELinux security context of each created directory to CTX
--help
    display this help and exit
--version
    output version information and exit