Question 1: For this exercise you need to create three files. The names of your files are YourLastName.f1, YourLastName.f2 and YourLastName.f3 a. Assign read-write-execution permission to the owner of each file using Letter Command b. Assign read-execution permission to the group of each file using Number Command c. Assign only read permission to the other of each file to any command of your choice. Question 2: For this exercise you need to create three files. The names of your files are YourFirstName 11. YourFirstName.f2, and YourFirstName.f3 a. Run any command of your choice and write the output (non error) to YourFirstName.f1 and write the error output to YourFirstName.f2. b. Combine outputs from YourFirstName.f1 and YourFirstName.f2 to YourFirstName.13. Question 3: Assume (create the following files are in the working directory: $ Is ref2 book notesa notesb ref1 lec1 lec2 lec3 lec4a lec45b ben ref3 Provide commands for each of the following using wildcards to express filenames with as few characters as possible. a. From this directory show the list all files that begin with "V" b. From this directory show the list of only lec1, lec2 files c. From this directory show the list of the file ending with "b" d. From this directory show the list of all the files having two numbers in their name e. From this directory show the list of all files with names of exactly 3 characters long