0   MB ps ▁and ▁ex F AT ▁plays ▁a ▁factor ▁in ▁ach ieving ▁that ▁through put ▁through ▁the ▁reduction ▁of ▁the ▁file ▁system ▁overhead ▁in ▁cluster ▁allocation . ▁This ▁is ▁achieved ▁through ▁the ▁introduction ▁of ▁a ▁cluster ▁bitmap ▁and ▁elim ination ▁( or ▁reduction ) ▁of ▁writes ▁to ▁the ▁F AT . ▁A ▁single ▁bit ▁in ▁the ▁directory ▁record ▁indicates ▁that ▁the ▁file ▁is ▁cont igu ous , ▁telling ▁the ▁ex F AT ▁driver ▁to ▁ignore ▁the ▁F AT . ▁This ▁optimization ▁is ▁analog ous ▁to ▁an ▁extent ▁in ▁other ▁file ▁systems , ▁except ▁that ▁it ▁only ▁applies ▁to ▁whole ▁files , ▁as ▁opposed ▁to ▁cont igu ous ▁parts ▁of ▁files . ▁ ▁A do ption ▁ ▁ex F AT ▁is ▁supported ▁in ▁Windows ▁XP ▁and ▁Windows ▁Server ▁ 2 0 0 3 ▁with ▁update ▁K B 9 5 5 7 0 4 , ▁Windows ▁Em bed ded ▁CE ▁ 6 . 0 , ▁Windows ▁V ista ▁with ▁Service ▁Pack ▁ 1 , ▁Windows ▁Server ▁ 2 0 0 8 , ▁Windows ▁ 7 , ▁Windows ▁ 8 , ▁Windows ▁Server ▁ 2 0 0 8 ▁R 2 ▁( except ▁Windows ▁Server ▁ 2 0 0 8 ▁Server ▁Core ), ▁Windows ▁ 1 0 , ▁Mac   OS   X ▁starting ▁from ▁ 1 0 . 6 . 5 ▁and ▁i Pad OS . ▁ ▁Comp an ies ▁can ▁integrate ▁ex F AT ▁into ▁a ▁specific ▁group ▁of ▁consumer ▁devices , ▁including ▁cam eras , ▁cam cord ers , ▁and ▁digital ▁photo