Can someone explain the /sys filesystem?

[Daniel Durgin]

I looked around /sys, and it seems very easy to
understand.  But when I boot to the 2.6 kernel I made,
CD-ROM is /dev/scd0, not /sys/block/hdc.(ide=scsi in
NOT enabled.

So how does /sys relate to the /dev filesystem? I
thought it was supposed to replace it.  What about
/proc, is that going too?


Thanks
- Dan 

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