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CompTIA Linux+ Certification Study Guide (2009 Exam) by Graham Speake, Terrence V. Lillard, Chris Happel, Brian Barber

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CHAPTER 4 Booting Linux

Exam objectives in this chapter

  • GRUB

  • Runlevels

  • 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 ...

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