freepascal.compiler/docs/crtex/ex1.pp

Program Example1;
uses Crt;

{ Program to demonstrate the AssignCrt function. }

var
  F : Text;
begin
  AssignCrt(F);
  Rewrite(F); { Don't forget to open for output! }
  WriteLn(F,'This is written to the Assigned File');
  Close(F);
end.