Linux commands

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. Asksign 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