Library /sys$common/syshlp/DFUHLP.HLB
DFU, Screen Management
 *Conan The Librarian 

 This version of DFU uses Screen Management (SMG) routines to
 perform output. DFU will automatically select SMG unless
 the terminal does not have SMG capabilities, if DFU is executed in
 a batch job or if the logical DFU$NOSMG is defined.
 In any of these 3 cases DFU will switch to normal line oriented
 output.

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