floppy disk | data compression | Hard disk drive | hard disk drive | Golden Disk Awards | Universal Disk Format | disk | Data compression | Lossy compression | Image compression | Floppy disk | Dynamic range compression | Alderson disk | Video compression picture types | Hard Disk 20SC | Hard Disk 20 | Gain compression | ESP-Disk | Double-sided disk | disk storage | Compression fitting | Audio compression (data) | speech compression | Poincaré disk model | Macintosh External Disk Drive | FCX file compression | Dynamic range compression (audio) | Disk storage | Disk partitioning | Disk'O |
MS-DOS also grew by incorporating, by direct licensing or feature duplicating, the functionality of tools and utilities developed by independent companies, such as Norton Utilities, PC Tools (Microsoft Anti-Virus), QEMM expanded memory manager, Stacker disk compression, and others.