PC DOS

PC DOS 6.1

PC DOS remained a rebranded version of MS-DOS until 1993 when IBM and Microsoft parted ways. MS-DOS 6 was released in March, and PC DOS 6.1 (separately developed) followed in June. Most of the new features from MS-DOS 6.0 appeared in PC DOS 6.1 including new boot menu support and new commands CHOICE, DELTREE, and MOVE. QBasic was dropped. was replaced with the IBM . It also licensed components of Central Point'sPC Tools, such as Central Point Backup Utility (CPBACKUP). PC DOS 6.1 reports itself as DOS 6.00.