4 ms·
These two files were renamed after Microsoft more or less parted ways with IBM. IBMBIO.COM became io.sys. IBMDOS.COM became msdos.sys.
by raldi 12y ago
These two files were renamed after Microsoft more or less parted ways with IBM.
IBMBIO.COM became io.sys.
IBMDOS.COM became msdos.sys.
- yuhong 12y agoActually this difference between PC-DOS and MS-DOS has been there from the beginning.