commands the user can select from. Use echo to give a description of each of the commands for a, b, c, and d. For example: echo "b. Display current host name" Use read to assign a variable based on the user's input on selecting command a,b,c, or d or A B, C, or D The following commands assigned to a-d will be date hostname ymstat runlevel Use a case option if the user selects something other than a,b,c, or d (or A,B,C, or D); it prompts the user "There is no selection: " The underline will be whatever the user typed in as an input. This will require a variable