Change (Increase or Decrease) The Number of Recently Closed Tabs or Remembered by Firefox to Reopen or Undo改變（增加或減少）的人數最近關閉的標籤，或記住Firefox的重開或撤消
Firefox has a great feature which allows user to undo or recopy last or recently closed tabs, an extension from session restore feature. Firefox擁有一個偉大的功能，讓用戶可以撤消或recopy最後或最近關閉的標籤，推廣，從會議的還原功能。 Re-open ore restore a closed tab is especially useful when user accidentally click on the close tab tab.重新開放礦石還原一個封閉的標籤是特別有用當用戶不小心按一下該關閉標籤標籤。 Firefox user can restore latest closed tab by right clicking on tab bar, and select Undo Close Tab in the context menu, or click on History menu -> Recently Closed Tabs to reopen more exited tabs. Firefox用戶可以還原最新的封閉標籤右擊對標籤欄，並選擇撤消關閉標籤，在上下文菜單中，或按對歷史的菜單-> “最近關閉的標籤，重開更多的退出標籤。
By default, Firefox is saving the last ten (10) closed tabs in its history on user profiles.默認情況下， Firefox是挽救去年10 （ 10 ）封閉的標籤，在其歷史上對用戶配置文件。 Some users may feel that the amount of last closed tabs is too few as he or she frequently open and close tabs, or too much due to privacy concern.一些用戶可能覺得金額去年關閉的標籤是太少了，因為他或她經常打開和關閉標籤，還是太多了，由於隱私的關注。 In any case, Firefox user can easily change the maximum number of the undo closed tabs history it keeps.在任何情況下， Firefox的用戶可以輕易改變的最大數目撤消關閉標籤的歷史，它不斷。
To set a new value for the maximum closed tabs that Firefox browser remembers to restore or reopen the closed tabs, type about:config in the Location Bar of Firefox, and confirm the warning by clicking I’ll be care, I promise! button.設立一個新的價值的最高封閉標籤， Firefox瀏覽器的回憶，來恢復或重新封閉，製表符，鍵入關於：配置 ，在位置欄中的Firefox ，並確認警告按一下，我會予以照顧，我答應！按鈕。 Locate or search for the following preference parameter name:找到或尋找在以下偏好參數名稱：
browser.sessionstore.max_tabs_undo browser.sessionstore.max_tabs_undo
The default value for browser.sessionstore.max_tabs_undo is 10.預設值為browser.sessionstore.max_tabs_undo是10 。 Double click on the preference name, and then enter a new integer value for the parameter.雙擊就偏好的名稱，然後進入了一個新的整數值為參數。
IMPORTANT : This is a machine translated page which is provided "as is" without warranty. 重要說明 ：這是一個機器翻譯網頁是“按原樣”提供的擔保。 Machine translation may be difficult to understand.機器翻譯可能很難理解。 Please refer to請參閱 original English article原來的英語文章 whenever possible.只要有可能。
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