Octave does not plot -

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when try plot graph on gnu octave, , try use plot, gives me following output 

set terminal aqua enhanced title "figure 1" size 560 420  font "*,6" dashlength 1                   ^      line 0: unknown or ambiguous terminal type; type 'set terminal' list

i using mac os x 10.9.2. have tried using 

octave:79> setenv("gnuterm","x11")

but still same error.

setenv("gnuterm","qt") solves problem.


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