If you’re not sure which version of the Korn shell you are using, you can download the shtype script from shelldorado. If you’re running korn93, your output will look like this: ...

I have a single shell script that's being run for both bash and ksh users. I've run into an issue with an array definition. This works fine in bash: loginnodes=(b001 b002 b003 b004) for name in ...