The Basics of the FreeBSD Startup Process
When you first turn on your computer, a number of processes must occur before you can start using it. For example, your computer needs to check that all of its hardware is available and working properly, and load the instructions off the hard disk that tell it what to do next. A basic understanding of these processes is helpful for understanding how FreeBSD works, as well as for troubleshooting problems when things go wrong.
The POST
The first thing that happens when you turn on your computer is called the Power On Self Test (POST). This is a program run by your computer's BIOS (basic input/output system). During this stage of the startup process, the computer checks all of its hardware to make sure that ...
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