A mechanism by which the input of one program can be sent as the output to another program C. A mechanism by which the output of one program can be sent as the input to another program d. A mechanism by which the output and input to one program. QUESTION 9 What command would you use to show the permissions for a file or directory? a. Is- b. Is-a None of the above d. Is QUESTION 10 What command would you use to add execute rights for the user? a. chmod utx directory b. chmod ute C. None of the above d. chmod u+x filename> Click Save and Submit to save and submit. Click Save All Answers to all answers te DALL