You work as an Administrator for McNeil Inc. The company has a Linux-based network. You are logged in as a standard user on your client computer. You have started a process 1001 as a root user. You want to kill the process. Which of the following commands will you use to accomplish the task?
a. sudo kill 1001
b. sudo pkill 1001
c. sudo kill -9 1001
d. sudo killall 1001