[Info-vax] OpenVMS Aliasing

[Jan-Erik Soderholm]

JF Mezei wrote 2011-12-14 22:34:
> for a rooted logical
>
> such as mylogical equalted to dua0:[mydir.]
>
> you can do
>
> DIR mylogical:[000000] -->  dua0:[mydir]
> DIR mylogical:[source] -->  dua0:[mydir.source]
> DIR mylogical:[source.old] -->  dua0:[mydir.source.old]
>
>
> routed logicals are defined with some options:
>
>
> define mylogical dua0:[mydir.] /translation=(terminal,concealed)
>
> Logical names are defined in a logical name table.
>
>
> by default it goes into your process,s own table.
>
> But there is also a /JOB table for all subprocesses of the main one.
>
> /GROUP which is a group logical table for all users in the same UIC group.
>
> /SYSTEM for a logical that is available to all users on the system.
>
> There are other logival name tables, some created specifically for some
> software (such as DECwindows). There are also obscure ones (such as one
> used for the licence management).
>
> And finally, there is also a clusterwide logical name table. there is no
> /CLUSTER qualifier, but you do this with /TABLE=LNM$SYSCLUSTER  and your
> declaration gets propagated to all systems in the cluster at the
> "system" level (aka: available to all users).


$ help define /cluster

DEFINE

   /CLUSTER_SYSTEM

      You must be signed in to the SYSTEM account or have SYSNAM
      (system logical name) or SYSPRV (system) privilege to use this
      qualifier.

      Defines a clusterwide logical name in the LNM$SYSCLUSTER table.