3) Please provide the command(s) for the following: a. The osboxes account needs to write a file called to a file today.txt in /root b. Create an empty file called yourName.txt (example: doug.txt) into the /tmp directory. c. What command output your current username? d. Modify a file /root/sysadmin.txt so that anyone can read, write or execute it. e. Create a directory within /home/osboxes called today/is/the/day. (please do this in one command: hint need to look up all the options for the mkdir). f. Show the command to list all files and directores within the /dev directory. g. How many files are hidden in your home directory? How many are regular files or links