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Rollback is a Cold War term for the use of military force to "roll back" communism in countries where it had taken root. Rollback may also refer to: ==Reduction or reversal== *Rollback (data management), the operation of returning a database to some previous state * *RollBack Rx, disk utility software *Rollback (legislation), legislating to repeal or reduce the effects of a specific law or regulation *Rollback (roller coaster), a situation in which a launched roller coaster is not launched fast enough to reach the top of the first hill *Trench rollback, a geology term *Rollback, the civil service salary reductions for constitutional deference known as a Saxbe fix *Rollback, the savings at Walmart 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rollback (disambiguation)」の詳細全文を読む スポンサード リンク
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