. ▁App lications ▁executing ▁within ▁the ▁Tur bo ▁virtual ▁environment ▁interact ▁with ▁a ▁virtual ized ▁filesystem , ▁registry , ▁and ▁process ▁environment , ▁rather ▁than ▁directly ▁with ▁the ▁host ▁device ▁operating ▁system . ▁The ▁virtual ization ▁engine ▁handles ▁requests ▁within ▁the ▁virtual ized ▁environment ▁internally ▁or , ▁when ▁appropriate , ▁routes ▁requests ▁to ▁the ▁host ▁device ▁filesystem ▁and ▁registry , ▁possibly ▁redirect ing ▁or ▁overrid ing ▁requests ▁as ▁determined ▁by ▁the ▁virtual ▁application ▁configuration . ▁ ▁Cross - browser ▁testing ▁- ▁Browser ▁Sand box ▁Tur bo . net ▁hosts ▁browsers andbox . com , ▁which ▁allows ▁users ▁to ▁run ▁multiple ▁versions ▁of ▁browsers ▁such ▁as ▁Internet ▁Explorer , ▁Google ▁Chrome , ▁Moz illa ▁Firefox , ▁Opera , ▁and ▁mobile ▁browsers ▁on ▁a ▁single ▁machine . ▁Web ▁developers ▁can ▁use ▁Browser ▁Sand box ▁for ▁cross - browser ▁testing ▁to ▁ensure ▁websites ▁function ▁correctly ▁in ▁multiple ▁versions ▁of ▁popular ▁browsers . ▁ ▁Virtual ized ▁browsers ▁behave ▁exactly ▁like ▁installed ▁browsers , ▁and ▁because ▁they ▁run ▁locally , ▁web ▁applications ▁tests ▁can ▁be ▁hosted ▁on ▁the ▁user ’ s ▁own ▁development ▁machine ▁or ▁on ▁internal ▁servers . ▁ ▁Tur bo . net ▁supports ▁standard ▁browser ▁components ▁like ▁Java ▁app lets ▁and ▁Active X ▁controls ▁as ▁well ▁as ▁popular ▁browser ▁plugins ▁like ▁Fire bug , ▁IE ▁Develop er ▁Tool bar , ▁and ▁CSS ▁and ▁JavaScript ▁debugging ▁cons oles . ▁ ▁App ▁Library ▁Similar ▁to ▁their ▁Browser ▁Sand box , ▁Tur bo ▁hosts ▁an ▁extensive ▁application ▁library ▁filled ▁with ▁hundreds ▁of ▁free ▁and ▁open - source ▁applications ▁that