"In the last few articles, we've learned how to view and manage
running processes. Today, I'd like to take a look at how all those
processes actually get started."
"A lot of neat stuff happens when you boot up your computer into
FreeBSD. I won't cover all the details here, as the FreeBSD
handbook does an excellent job of explaining the bootup process.
When you boot your computer, you have probably noticed that the
kernel does a hardware probe and prints its results to your
terminal. Once this probe is finished, the kernel starts two
processes: process 0 (swapper) and process 1 (init)."
"The daemon responsible for process control initialization is
init; without it, no other processes would be able to start. At
boot time, init has two important jobs to do: First, it launches
the startup scripts controlled by rc, then it initializes the
terminals so they will be available for logins by users."
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