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I was asking myself the question on "install the 'head' version",
because when I read that you can "always" install the 'head' version,
I was thinking that for a class like OSProcess, it could matter ...

If I'm not mistaken the VM has some "primitives" built in, those
primitives should match the class that is installed, I guess.

Most likely you would encounter errors like "primitive" not existing
or similar, but nevertheless I wonder whether there is a way to see,
whether the primitives that are provided by the VM (or image?),
are "compatible" with the OSProcess and CommandShell that one installs.

For example is there a way to see what version of the primitives
for "UnixOSProcessPlugin" is loaded in the VM ?

It's not very appealing to just "try" and experimentally see whether it
works,
as it will not be obvious whether any problem is due to a mismatch of a
wrong version of a class installed, or due to some other issue.

David Stes


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