Exam objectives in this chapter
Troubleshooting Boot Issues
Unique Terms and Definitions■
GRand Unified Bootloader (GRUB) An application used on most modern versions of the Linux operating system. It is a dynamically configurable program used to perform a sequence of events on a computer to load the main operating system. It receives control from the system BIOS, performs a sequence of events, and then transfers control to the operating systems kernel.■
Runlevel A specialized script that starts a different set of services, permitting multiple configurations in the same system.■
Kernel The core operational code of an operating system. In Linux, it integrates the CPU architecture ...