<Tr> <Th> Date resolution </Th> <Td> 2 seconds for last modified time, 10 ms for creation time, 1 day for access date, 2 seconds for deletion time </Td> </Tr> <Tr> <Th> Attributes </Th> <Td> Read - only (since DOS 2.0), Hidden, System, Volume (since MS - DOS 1.28 and PC DOS 2.0), Directory (since MS - DOS 1.40 and PC DOS 2.0), Archive (since DOS 2.0) </Td> </Tr> <Tr> <Th> File system permissions </Th> <Td> File, directory and volume access rights for Read, Write, Execute, Delete only with DR - DOS, PalmDOS, Novell DOS, OpenDOS, FlexOS, 4680 OS, 4690 OS, Concurrent DOS, Multiuser DOS, System Manager, REAL / 32 (Execute right only with FlexOS, 4680 OS, 4690 OS; individual file / directory passwords not with FlexOS, 4680 OS, 4690 OS; World / Group / Owner permission classes only with multiuser security loaded) </Td> </Tr> <Tr> <Th> Transparent compression </Th> <Td> Per - volume, SuperStor, Stacker, DoubleSpace, DriveSpace </Td> </Tr>

Your computer's os uses a file allocation table to