sentences:  Some DR-DOS files such as IBMBIO.COM, IBMDOS.COM and COUNTRY.SYS carried misleading file extensions for compatibility reasons; with DR-DOS 7.02 they were enhanced to incorporate a fat binary-style safety feature devised by Paul so that they would exit gracefully when called inappropriately.DR-DOS 7.02 was fully Year 2000 compliant and provided special support to work with buggy system BIOSes.It also came with an updated FDISK, which could partition and format FAT32 volumes (but not yet work with LBA).