answer all questions in screenshot

Part 1 (Theory): Please answer the following eight questions. Answering them requires research and you should provide references. ONAN ARWN . List the four steps of the Linux boot and startup process. Which part of the boot/startup is common to all operating systems? Should you edit the /boot/grub/grub.cfg file for startup modifications? Explain. . What is the purpose of Ismod? What command is used to add or remove kernel modules? Why is it a good idea to back up your system before making kernel modifications? Why is it important to understand kernel module dependencies? . What does the mount -a command do