Good question - we are actually working on creating a custom Linux distro optimized to do the minimum amount of work necessary to run an Ignition client, which is:
- Run a basic windowing system
- Run Java SE 5 or 6
Not quite sure when it’ll be ready however… of course if you’re familiar with linux there is nothing stopping you from seting up linux on an industrial touch-pc yourself.
On the Windows side, the lowest we can go is XP Embedded (no CE) because we need to run JavaSE, not JavaME.
I know that some of our integrators have had success with Wyse terminals runnning XP embedded.
Hope this helps,