CHK full form Meaning : CHKDSK Category : ComputerSub Category :Commands Type : Initialism What does CHK mean or stand for ?CHKDSK is a command that is used in Disk operating systems DOS and CHK is the file name extension used to run this computer program. Related Terms RC full formCHKDSK full formCLIST full formDOS full formCMD full formCHDIR full formRENAME full form Similar AcronymsT. A. full formTFTA full formT/C full formTGTBT full formTGZ full form