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This helped immensely! Liking the reduced stress from knowing the system no longer (touch ood) has random shutdowns. Thanks again for your help!

Thanks for the guidance. Some other questions: Given that currently I am having multiple failures a day, I have renamed and moved the aplcore files as they are created: rename aplcore {newdir}aplcore-yymmddX.DWS where X is a serial letter A.. and yymmdd is the current date. Does the note about ...

opp←{⍺ ⍺⍺ ⍵⍵ ⍵}
tfuu←opp
SYNTAX ERROR
tfuu←opp
∧

⍝ How do I assign opp?

A good middle ground solution:

'.,'({~⍵∊⍺}⊆⊢)'ab,cd,efg.hij'

Most unfamiliar languages start out as white noise. I admit I saw this post only a day after seeing Roger Hui use (=⊂⊢), which has the need for (1∘↓¨) and is thus less elegant.

Documentation on ⎕DL: > Y must be a simple non-negative single numeric value (of any rank). A pause of approximately Y seconds is caused. > The shy result R is a scalar numeric value indicating the length of the pause in seconds. > The pause may be interrupted by a strong interrupt. ...not sure w ...

Agreed, the effect is not the same, except both show the Forms.

⎕dl 0 worked like a charm! Thanks for revealing that undocumented feature!

Good news. Has there been any progress on this, bearing in mind the world may have other concerns?

Is there a way for a running function to allow GUI objects to refresh themselves, like ⎕wgive did in APL*PLUS? Ctrl-Break seems to be the only way.

The free versions are the most widely used variants on each platform. If your friend has a real need for a 32-bit version, he should write to sales@dyalog.com and explain what he needs and why. We want people to use Dyalog APL and there is nearly always a solution to this kind of problem. Given ...