Accessing a VAX tape drive from a S

[Roy Smith]

In article <13412 at mimsy.UUCP> chris at mimsy.UUCP (Chris Torek) writes:
> Note that, as I mentioned above,
> 	dd bs=N
> and
> 	dd ibs=N obs=N
> have different meanings.

	This may be true, but you wouldn't guess it from the 4.3BSD dd man
page:

     ibs=n          input block size n bytes (default 512)
     obs=n          output block size (default 512)
     bs=n           set both input and output block size,
                    superseding ibs and obs; also, if no conver-
                    sion is specified, it is particularly effi-
                    cient since no copy need be done

	If I didn't know better, and I was reading the man page for the
first time, I would sure assume that "bs=N" and "ibs=N obs=N" would have
exactly the same effect, modulo efficiency considerations.
-- 
Roy Smith, System Administrator
Public Health Research Institute
{allegra,philabs,cmcl2,rutgers}!phri!roy -or- phri!roy at uunet.uu.net
"The connector is the network"