IBM DisplayWrite
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DisplayWrite was a word processor software application that IBM developed and marketed for its line of IBM PCs. Its document files used the RFT (Revisable-Form Text) or DCA (document content architecture) filename extension, both of which were standards on IBM mainframe computers. DisplayWrite's feature set was based on the IBM Displaywriter System, a dedicated microcomputer-based word processing machine.[1]
DisplayWrite/370, a much more powerful version with full graphics and WYSIWYG support, is still available for IBM zSeries mainframe computers as of May 2012[1] (see IBM Displaywriter System).