3. Booting and Shutting Down
Like most things UNIX, system startup and shutdown have matured into carefully engineered processes that accommodate many possible contingencies. As administrators, we negotiate the intricacies of the boot process to prevent and troubleshoot problems. An effective sysadmin understands the fundamentals first.
Bootstrapping has always been somewhat mysterious, but it was simpler in the days when manufacturers controlled every aspect of the system’s hardware and software. Now that we have Linux and Solaris running on PC hardware, the boot procedure has to play by PC rules and deal with many potential configurations. Although ...
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