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I'm running Putty on Windows and can't find an option to increase the size of the scrollback buffer . It seems set at about 4 pages of text.

Am I missing something?

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up vote 48 down vote accepted

You can increase the scrollback by selecting the Window options category and changing the Lines of scrollback option.

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i think it defaults to 200; when i configure a session profile for PuTTY on my systems i usually change this to 5000 or more. – quack quixote Apr 11 '10 at 20:31
Ah! I was looking at the option nodes under Window, not realizing that Window itself has options :-) – Eric J. Apr 12 '10 at 0:29
@quack: I can see how to save the config changes per session. Is there a way to save a new default for any session? – Eric J. Apr 12 '10 at 0:35
@Eric: i'm pretty sure you can alter the config of the Default session in the same way you change it for any other session -- load the Default session, make your changes, save it as the Default session. – quack quixote Apr 12 '10 at 0:59
@Quack: Thanks that did it! – Eric J. Apr 12 '10 at 4:28

First load the session, then go to the Window category in the left pane and change Lines of scrollback to say, 20000. Go back to the Session category and save it.

Note: you must load the session for it to save!

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Thank you for explaining how to fix it. – cokedude Oct 14 '14 at 21:30

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