1.4.4 Use Shell Commands in this simulation, you use the linux commands touch, vi, cp, mv, cd, Is, and rm to manage files from the command line. You are currently in the wadams home directory In this lab, your task is to complete the following 1. Delete a file as follows: a. At the prompt type is - and press Enter to see a listing of the files in the directory b. Type rm old myfile.txt and press Enter c. Type Yand press Enter to remove the file old_myfile.txt. d. Type ist and press Enter to see that old myfile.txt is removed from the directory 2. Add a file as follows: a. Type tquch new_myfile.txt and press Enter to create a new file in the wadams home directory b. Type is - and press Enter to see that the file new.myfile it is created 3. Add a line to a file as follows: a. Type vi new myfile.txt and press Enter to use the vi editor to open the filenew.myfile.txt for editing . Press the key to enter insert mode in vi. c. Type: "Some text for new myfile.txt" d. Press the ESC key e. Typewq and press Enter to save and exit the file. 4. Copy a file to a different directory and rename it as follows: Type cp new.myfile.txt /home/wadams/practice and press Enter to copy the file new.myfletto the practice directory Type cd /home/wadams/practice and press Enter to move to the practice directory c. Type Island press Enter to see that new myfile.txt is in the /home/wadams/practice directory d. Type mv new myfile.txt final myfile.txt and press Enter to rename the file new.myfile.txt e. Type Island press Enter to see that the file name has changed to final_myfile.xt.