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| | DOS: Disk Operating System (Site not responding. Last check: 2007-11-02) |
 | | DOS commonly refers to the family of closely related operating systems which dominated the IBM PC compatible market between 1981 and 2000: PC-DOS, MS-DOS, FreeDOS, DR-DOS, Novell-DOS, OpenDOS, PTS-DOS, ROM-DOS and several others. |
 | | Such a system must handle physical disk I/O, the mapping of file names to disk addresses and protection of files from unauthorised access (in a multi-user system). |
 | | DOS should present a uniform interface to different storage device such as floppy disks, hard disks and magnetic tape drives. |
| www.javvin.com /softwareglossary/DOS.html (133 words) |
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