Using int 13 while BSD is running
Sergey 'DoubleF' Zaharchenko
doublef at tele-kom.ru
Thu Mar 11 05:02:48 PST 2004
On Wed, 10 Mar 2004 11:14:03 -0500 (EST)
Jerry McAllister <jerrymc at clunix.cl.msu.edu> probably wrote:
> Gee whiz, just let dd(1) do it for you. It can seek to any position
> and read any number of bytes of a disk.
That's what I meant by `shellscript':).
> If it gets ornery, set the
> block size to 1 byte - a little slow and inefficient, but then it won't
> have trouble with other block arrangements.
The minimum blocksize is 512 bytes (at least on ATA drives; 2048 on
data CDROMS). You get an `invalid argument' error if you try using a
size which is not a multiple of 512. But after dd'ing, you can use
head(1)/tail(1) to get only the necessary info, right to the single
My mother loved children -- she would have given anything if I had been
-- Groucho Marx
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20040311/34bc793f/attachment.bin
More information about the freebsd-questions