Rubel M.C. Window basics // Data Based Advisor.-1992.-v.10.-N 1.-P. 52(4).
    = dBase IV. 
      .  
       
    - 
    dBase IV
    dBase III Plus. .
    — ,
    .
    dBase IV :
    DEFINE WINDOW, ACTIVATE/DEACTIVATE WINDOW, SAVE/RESTORE WINDOW, MOVE WINDOW.
    dBase IV
    .