These labs should be performed on the CentOS operating system that you installed in Chapter 1, “Distributions and Key Components.” Before you begin this lab, log in to the student account that you created during the installation process.
Step 1. Open a terminal window.
Step 2. Use the su command to switch to the root user.
Step 3. Execute the ls /dev/sd* command to see the current hard disk devices. There should be a /dev/sda hard disk and two partitions: /dev/sda1 and /dev/sda2.
Step 4. Execute the shutdown now command to power off the ...