I haven't used ArcInfo Workstation in several years, but when I did I recall having to choose the correct mode. There are several:
Included with ArcInfo are the following tools:
- Arc
- Arcdoc
- Arcedit
- Arcplot
- Arctools
- Formedit
- Grid
Source:
Arcinfo Workstation | software.ncsu.edu
In terms of choosing which one, it boils down to what the your Arc Macro Language (AML) is trying to accomplish. For example, if the AML produces a map, use Arcplot. Many AMLs will also work in ARC:
I'd try ARC as a first step.
The general form to run the aml is this:
Arc: &r amlname.aml input output
Sorry if this is confusing - it's been a few years and I'm rusty.
Chris Donohue, GISP