[Simh] vax simh and loading file

[Jeremy Begg]

Hi Bill,

> Your suggestion on the simh list looks just like what I need. I use simh
>3.9 and the vax has a cr device. I attached a file and everything is good.
>When I login to vms nothing understands job.

>    I've tried job
>@sys$system:job and so on and can't get job or find it anywhere. The help
>list doesn't list a noprint qualifier but there is /keep and /name. Where is
>"job" that's what I can't seem to find out. This is from the list. >"

So this is your "card" file?

  $JOB SYSTEM /NOPRINT /KEEP /NAME=WilmTest
  $PASSWORD xxxxxxx
  $! some ASCII text
  $ show time
  $EOJ"

That should work fine, and here's what would happen on a real VAX:

1. User loads card deck into card reader and hits the start button.
2. VMS reads each card in turn and creates a temporary file somewhere
   (my guess is that it would be in the login directory for the user
   specified in the JOB statement on the first card).
3. VMS submits the file to the batch queue specified by the /QUEUE
   qualifier on the JOB statement, or to SYS$BATCH if the /QUEUE has
   not been specified.
4. The job runs and creates log file, which will be printed and/or
   deleted unless other qualifiers on the JOB statement specify otherwise.

To summarise: card readers create batch jobs which run without the user
having to log in via an interactive terminal.  The JOB command itself is not
actually a valid VMS command in the usual way: it's not part of
DCLTABLES.EXE and is instead implemented (I think) by the VMS JOB_CONTROL
process.

Regards,

        Jeremy Begg

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