[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fM-_mH5CTtny90WBqTAyCew2zXiF6f8GsdLttfup6eNE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-09-01 12:02:15",158668417,[8,9,10,11],"chmod","touch","chown","cat",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},61,"1f72c662b1009b51f4aa2f643ec0f91d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","Linux操作系统应用与安全（2024）","0f81016327ab48aab9534e58abc6d382","用户与权限管理","改变文件所有者的命令为 :()",[21,32,40,49,58,67,70,79,88,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],158668412,[25,26,27,28],"root","guest","administrator","supervistor","在CentOS 7中,系统默认的( )用户对整个系统拥有完全的控制权","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":30,"type":31},[],158668413,[36,8,37,38],"attrib","change","file","怎样更改一个文件的权限设置? ()",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":30,"type":31},[],158668414,[44,45,46,47],"rmuser -r","deluser -r","userdel -r","usermgr -r","下面哪个参数可以删除一个用户并同时删除用户的主目录?()",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":30,"type":31},[],158668415,[53,54,55,56],"a","b","u","x","在ps命令中什么参数是用来显示所有用户的进程的?()",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],158668416,[62,63,64,65],"文件类型","文件所有者的权限","文件所有者所在组的权限","其他用户的权限","Linux文件权限一共10位长度,分成四段,第三段表示的内容是()",{"answer":68,"createTime":5,"id":6,"options":69,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],158668418,[74,75,76,77],"进程A是进程B的父进程","进程A是孤儿进程,进程B是僵死进程","进程B是一个守护进程,进程A是一个特殊程序","进程B是进程A的父进程","在Linux环境下,用ps -ef命令显示进程.进程A的PID为234,PPID为223.进程B的PID为241,PPID为234.可以从中得出什么结论?( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],158668419,[83,84,85,86],"-rwxr-xr-x","-rwxr--r&mdash;","-r--r--r--","-r-xr-x--x","对名为fido的文件用chmod 551 fido 进行了修改,则它的权限字符串是:( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":95,"source":30,"type":31},[],158668420,[92,93,94,8],"ping","route","netstat","下列Linux命令中,哪个命令与网络无关.( )",{"answer":97,"createTime":5,"id":98,"options":99,"question":102,"source":30,"type":31},[],158668421,[27,25,100,101],"supervisor","admin","Linux系统中具有最高权限的用户名是:( )"]