Dsk clnng s th prcss f dplctng ll dt n dgtl strg drv, sch s hrd dsk r sld stt drv, sng hrdwr r sftwr tchnqs. nlk fl cpyng, dsk clnng ls dplcts th flsystms, prttns, drv mt dt nd slck spc n th drv. Cmmn rsns fr clnng drv ncld; dt bckp nd rcvry; dplctng cmptr's cnfgrtn fr mss dplymnt nd fr prsrvng dt fr dgtl frnscs prpss. Drv clnng cn b sd n cnjnctn wth drv mgng whr th clnd dt s svd t n r mr fls n nthr drv rthr thn cpd drctly t nthr drv.