[Info-vax] puzzled by DCL symbol substitution

[abrsvc]

On Jan 17, 7:39 am, Steven Schweda <sms.antin... at gmail.com> wrote:
> On Jan 17, 5:48 am, Gotfryd Smolik news <smo... at stanpol.com.pl> wrote:
>
> >   Then NLA0: can be shortened to NLA and NL:
>
>    Or "NL0":
>
> ALP $ show device nl0
>
> Device                  Device           Error
>  Name                   Status           Count
> NLA0:                   Online               0
>
> > ...and if only one TTA0: device exists, the TT logical name
> > must be removed (with privileges, as it is a /EXEC one)
> > to check that the "TT:" shortcut also works.
>
>    Uh, how do you get more than one TTA0: device?  "TT" is
> trouble irregardful of how many "TTcu" devices you have.  For
> example:
>
> ALP $ show logical tt
>    "TT" = "_FTA39:" (LNM$PROCESS_TABLE)
>
> ALP $ show device tt
>
> Device                  Device           Error
>  Name                   Status           Count
> FTA39:                  Online               0
>
> But, it's easy to avoid logical name translation:
>
> ALP $ show device _tt
>
> Device                  Device           Error
>  Name                   Status           Count
> TTA0:                   Online               0
> TTB0:                   Online               0
>
> (And you don't need to wreck anything to do it.)

The logical name TT is setup during the login process and is defined
as the "local" terminal device and has no correlation to TTA0 unless
that is the "local" device you happen to be connected through.