You can script things with read/write.  You have to write one off utilities
for ioctl.
Think having to require specialized tools like stty, hdparm, setserial, and
so on.  (Historical question:  Since IP sockets were originally /dev/* based,
was ifconfig essentially a wrapper around ioctls?)
mrc
-- 
     Mike Castle      dalgoda@ix.netcom.com      www.netcom.com/~dalgoda/
    We are all of us living in the shadow of Manhattan.  -- Watchmen
fatal ("You are in a maze of twisty compiler features, all different"); -- gcc
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