Linux Shell bian cheng yi shu = Verilog bian cheng yi shu / Liu shen shu xian sheng yi shu/. Er. Liu shen shu xian sheng yi shu/. Yi. Liu shen shu xian sheng yi shu/. San. Android bian cheng bing shu / UNIX Shell bian cheng gong ju/ Ming yi jian kang shu = ping mian gou cheng ( yi shu )