LS (Load Sector) - Loading of a logical sector
Format: LS segment:address,disk,initial sector, [number of sectors]
The command loads a logical sector of disk to the address specified.
The disk is specified by an ordinal number (0 - A:, 1 - B:, 2 - C:, etc).
While using DOS 4.0 or higher the initial sector can be specified with a
number ranging from 1 to FFFFFFFF.