What to start with? (/proc directory)

The very first part to start with is the System architecture chapter from LPIC-1 exam 101. Here you may find a pretty well documented tutorial from IBM, which is also referred as an “approved training material” on the official LPI site. What’s in there?

Besides trivial things like how you hould enter a BIOS menu, how to play in BIOS menus (take a lot of care here, since it may have serious consequences), what is POST, how to configure BIOS to boot without a keyboard, what is a hotplug and coldplug device … I would start tackle this first tutorial discussing about the mysterious /proc, /dev and /sys folders, of course there are more interesting things in here, like SCSI drivers, how Linux sees and treats SCSI devices, also about USB drivers, but probably in an upcoming post.

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