I can not operation the conputer because it is bad有什么错误的地方吗

I can not operation the conputer because it is bad有什么错误的地方吗 cat:can't open '/dev/fb0':Operation not permitted operation not permitted是什么意思 operation not applicable Operation is not supported. I CAN NOT STAND I can not love I can not i shink i can not Crystal,I can not forget i can not read any i can not hear a I can not write Chinese I can not stand waiting I can not ...so ...造句 I can not believe it I can not read his I can not understand you.