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Posts: 313 | Thanked: 247 times | Joined on Jan 2010 @ USA
#3
This about:config entry controls the # of pages to cache, default is 0. Setting it to 1 will cache one previous page.

browser.sessionhistory.max_total_viewers

More info here - http://kb.mozillazine.org/Browser.se..._total_viewers
 

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