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Formatted File System

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The Formatted File System (FFS) is the name of a series of Database Management Systems (DBMS) developed for military use and designed to run on IBM mainframe computers.

The period from 1964 to 1968 saw the transition from isolated DBMS development efforts to the development of DBMS families. The Formatted File System was one family. Others included General Electric's IDS family, and Informatics software company's Mark IV series. These families were developed across organizations and branches of government, spreading and evolving with their primary developers. Beginning around 1968, DBMS development became increasingly proprietary.

Family Members

  • IRS(DTMB), 1958, IBM 704
  • TUFF/TUG(DTMB), 1959, IBM 704/9
  • FFS(SAC), 1961, IBM 7090
  • FFS(IDHS), 1963, IBM 1401
  • FFS(FICEUR), 1963, IBM 1410
  • FFS(DIA-IDHS), 1965, IBM 1410
  • GIS, 1965, IBM SYSTEM/360
  • NIPS, 1965, IBM 1410
  • NIPS, 1968, IBM SYSTEM/360
  • CDMS, 1968, IBM SYSTEM/360
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