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Is there a way to have PuTTY log a session to disk in real-time?

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The best I know to do is what is pictured below, setting "Flush log file frequently". It may not be real time, but it is pretty close.

Logging in PuTTY

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Thank you! the.earth.li/~sgtatham/putty/0.58/htmldoc/… says: "[The 'Flush log file frequently'] option allows you to control how frequently logged data is flushed to disc. By default, PuTTY will flush data as soon as it is displayed..." (the section is short and contains more information) –  lance Jul 28 '10 at 15:22

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