[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9pU0893mMkahZr04owbkUPDNH29zseFGYcRNGuCnII8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2023-10-17 23:32:34",100423312,[8,9,10,11],"字母","下划线","反引号","数字",{"courseId":13,"courseImg":14,"courseName":15},"6fc27a541807bd8efe69c5cc00e9ed7f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","Shell编程","shell变量的命名时,不可以包含由下列哪种",[18,23,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],100423313,[27,28,29,30],"shell脚本","程序","管道","shell变量","你可编制一个由一系列命令组成的程序,该程序可由shell执行.这种类型的程序被称作",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],100423314,[36,37,38,39],"#!\u002Fbin\u002Fbash","#\u002Fbin\u002Fbash","#\u002Fbin\u002Fcsh","\u002Fbin\u002Fbash","一个Shell脚本的第一行是什么",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],100423315,[45,46,47,48],"$","$*","$#","$$","为了得到所有的命令行输入的参数个数,我们可以使用变量",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],100423316,[54,55,56,57],"红旗 server 4","solaris 10","Red Hat 9","Fedora 8","以下哪个软件不是LINUX的发行版本",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],100423317,[63,64,65,66],"嵌入式系统","桌面","服务器","集群","与Windows 相比LINUX哪个方面相对应用得较少",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],100423318,[72,73,74,75],"global","export","function","local","函数内如何设置局部变量",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],100423319,[81,82,83,84],"test num1 -lt num2","[ num1 -gt num2 ]","[num1 -gt num2]","test num1 -ge num2","以下哪个条件测试是判断num1大于num2",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],100423320,[90,91,92,93],"判断文件x.txt是否存在,存在则为1","判断文件x.txt是否存在,存在则为0","判断文件x.txt是否为字符文件,存在则为0","判断文件x.txt是否为字符文件,存在则为1","test -z x.txt是什么意思",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":21,"type":22},[],100423323,[99,100,101,102],"na_3","3_na","_na","na_","以下哪个变量命名有误"]