[Radiance-general] rvu/rpict run error :cannot open command line window

[葛启云]

my os is centos 7 in vmvare .install is ok without errors. when I create test.oct ,and run "rvu -vp 2.25 .375 1 -vd -.25 .125 -.125 -av .5 . 5 .5  test.oct",show a dark window,and soon it break out and show “rvu：cannot open command line window",
how do I do ??
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