4
() (software). , .
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.
, , , , (system software).
(operating system).
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, ; ; ; ; ; ; , , , .
, . . , . , . MS DOS (MS Disk Operating System - MS) , PC DOS (Personal Computer Disk Operating System - ) IBM Novell DOS Novell. DOS, , , .
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, MS DOS.
: Windows 95 Windows NT (NT - New Technology - " "), Windows 2000 MS, OS/2 Warp IBM, Unix.
. NetWare Novell.
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~ , . DOS . Norton Commander, Peter Norton Computing.
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Windows . , : (DEFRAG), (Scandisk), (DrvSpace), (Backup), , (System monitor), .
(System monitor) . , , , MS, MS Network, , . .
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- - , . , , . - , , MS Visual Basic, Borland Delphi .
, , , , SQL, , , MS Access . , .
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