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Make a log of the session?

Often you wish to make a transcript of the interaction. On Unix you can fallback to the script utility. You can also copy/paste from the window (see also WinCopy.md). All platforms however support the predicates protocol/1 and noprotocol/0 to log the console interaction to a file.

?- protocol('mylog.txt').

... play around ...

?- noprotocol.