[Info-vax] SET DEF and Other Questions Regarding DIR on a Different Hard Disk?

[Bob Koehler]

In article <5e1ca4c7-86ba-402f-b1b6-ef72dbe941fd at googlegroups.com>, haziz <hsaziz at gmail.com> writes:
> I am comfortable with Unix but am a complete newbie when it comes to VMS. I=
>  am trying to install OpenBSD on DKA300 on a VaxStation 4000 Model 90. I am=
>  logged in as SYSTEM on an OpenVMS 6.2 install on DKA0 and would like to fi=
> gure out what is installed or present on DKA300, before formatting it to ac=
> comodate OpenBSD. DKA100 and DKA200 seem to have separate installs of OpenV=
> MS 7.2 and 7.3 respectively. I would like to maintain the OpenVMS installs =
> on the other drives since I may wish to eventually explore VMS.
> 
> SET DEF DKA300: followed by DIR gives an error message or does nothing (sor=
> ry I am not in front of the machine).
> 
> How do I explore the root directory on DKA300 and any subdirectories it has=
> ?

   The "root" directory is named "[000000]".  If DKA300 is mounted,
   you can do this no matter what directory you have set default to 
   (assuming your prompt is "$", don't type the "$"):

   $ dir dka300:[000000]

> 
> How do I figure out the free space on a drive?

   As long as DKA300 is mounted:

   $ show device/full dka300:

> I am using a VT520 terminal. How do I examine output that has scrolled by? =
> Is there a pager program for VMS like less or more on Unix?

   I don't know if a VT520 stores data.  You can pipe things into
   type/page:

   $ pipe show device /full | type/page sys$pipe:

   I don't know anything about how various BSD name things, or operate
   this hardware, so I'll leave those questions alone.