[Info-vax] Request description of UFS for VMS person

AEF spamsink2001 at yahoo.com
Thu Apr 30 13:35:27 EDT 2009


On Apr 29, 10:28 pm, glen herrmannsfeldt <g... at ugcs.caltech.edu>
wrote:
> AEF <spamsink2... at yahoo.com> wrote:
> > What do I do?
> > $ cat <name of disk>
> > $ od <name of disk>
>
> Traditionally it is the raw device.
>
> for /dev/disk it would be /dev/rdisk.  Many systems now use the
> block device anyway.  You can read it from the beginning to
> the end, or seek and read anywhere.

Not very convenient! Not familiar with a "block device".

>
> > And od can't even read a directory on some systems!
>
> Many programs need to be able to read the disk, such as fsck
> and backup, so the ability is there.  
>
> -- glen

I said "od".

Also: You can walk from New York to Los Angeles. The ability is
there.

And given the parts one can build a car. But it isn't a car; it's a
pile of parts.

AEF



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