Catalyst IOS refresher site?

[Jay Ashworth <jra () baylink com>]

It's been a bit too long since I was near the high end, so I grabbed a
4507 from my local surplus vendor; dual PS, dual supe, Gig Fiber (large 
transceivers, alas, not GBIC), and 3 48port RJ45 POE cards.  For $60.

I love surplus.

Is there a good Catalyst-IOS tutorial on line I can buzz through, to 
refresh my memory on where everything is?

Cheers,
-- jra

-- 
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Jay R. Ashworth                  Baylink                       jra () baylink com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates     http://baylink.pitas.com         2000 Land Rover DII
St Petersburg FL USA               #natog                      +1 727 647 1274