* Read 64k at a time with variable length pauses between instead of   reading variable sized blocks of data every second.  This should be   more efficient.
* Read 64k at a time with variable length pauses between instead of
  reading variable sized blocks of data every second.  This should be
  more efficient.

Suggested & tested by:	se

* Add a syntax for excluding CD-ROM drives etc.

Suggested by: des, se, many others...

Manual page updates coming soon.

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