[Info-vax] Backup restore system disk

[Phillip Helbig undress to reply]

In article <rhj4uk$t0k$1 at dont-email.me>, Simon Clubley
<clubley at remove_me.eisner.decus.org-Earth.UFP> writes: 

> On 2020-08-18, Craig A. Berry <craigberry at nospam.mac.com> wrote:
> > On 8/18/20 12:36 PM, Simon Clubley wrote:
> >> 
> >> BTW, DFU is _exactly_ the kind of thing that should be shipped as
> >> standard with every VMS version from now on.
> >
> > It has been for quite a few years, though probably not enough years to 
> > match the OP's system.  It can also defragment files, which I would 
> > think would be more significant than whole-disk defragging when the 
> > "disk" is a container file rather than an actual device with spinning rust.
> 
> Interesting. When did DFU start being part of the core VMS distribution ?
> 
> I first needed it about 15 years or so ago for Alpha VMS (probably V8.3)
> and the memory I have is that I had to download it from one of the
> freeware archives.

I see a DFU.EXE (which I didn't put there) in SYS$SYSTEM, both on 8.4 
and even 7.3-2, though there is no corresponding symbol or verb and HELP 
doesn't know about it, so perhaps it is shipped but not 
installed/enabled by default.

        Image Identification Information

                image name: "DFU"
                image file identification: "DFU ALP V2.4-0"
                image file build identification: ""
                link date/time:  4-MAY-1998 15:48:30.99
                linker identification: "A11-39"