[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fsvPzW_x42XZsAPO3FryzvAvjzd2pJ1QhMV1L9nMQVpU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-10-09 16:32:31",161052456,[8,9,10,11],"640","644","642","666",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},9,"5281c8f8c550ddeb0b2e281515f1c7eb","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6270a9753ecbcafab85584ac2caf9e75.jpg","Linux服务器配置与安全管理","work_37437249","linux文件与用户管理选择题","对系统某目录下文件file.txt设置以下权限:属主可读写、属组只读、其他用户只读,请问该权限应使用()数字表示",[21,32,41,49,52,61,67,76,85],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],161052453,[25,26,27,28],"users","root","tom","group","如果在 Linux系统中新建了名为tom的用户,则默认情况下该用户所属的组为","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],161052454,[36,37,38,39],"-g","-d","-u","-s","使用 useradd命令新建用户时,如果要指定用户的登录shell,则要使用(选项",{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":30,"type":31},[],161052455,[45,26,46,47],"bin","administrator","nobody","3.使用su命令切换用户时,从( )用户切换到任何用户都不需要密码验证",{"answer":50,"createTime":5,"id":6,"options":51,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":30,"type":31},[],161052457,[56,57,58,59],"770","777","775","660","当系统的umask 值为007时,则用户新创建目录的默认权限应为( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":66,"source":30,"type":31},[],161052458,[9,59,8,65],"600","系统中有用户user01和user02,同属于users组.在user01用户家目录下有个文件filel.txt, 如果user02想修改该文件,该文件的权限值应为( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":30,"type":31},[],161052459,[71,72,73,74],"\u002Fetc\u002Fpasswd","\u002Fctc\u002Fhosts","\u002Fetc\u002Fprofile","\u002Fetc\u002Fshadow","以下( )文件中存放了用户信息",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":30,"type":31},[],161052460,[80,81,82,83],"useradd -u 1002 -G 1005 -h\u002Fbob bob","useradd -u 1002 -g1005 -h\u002Fbob bob","useradd -u1002 -G1002-d \u002Fbob bob","useradd -u 1002 -g1005-d \u002Fbob bob","在系统中创建新用户bob,其用户ID为1002,基本组ID为1005,用户家目录为\u002Fbob,正确命令为( )",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":30,"type":31},[],161052461,[89,90,91,92],"setfacl -m u:user01:rw \u002Fdir\u002Ff1.txt","setfacl -x u:user01:r \u002Fdir\u002Ff1.txt","setfacl -m u:user01:r \u002Fdir\u002Ff1.txt","setfacl-x u:user01:rw \u002Fdir\u002Ff1.txt","系统中有目录\u002Fdir下的文件 f1.txt,其属主和属组均为 root,文件权限为640,下面( )命令可以使用户user01 获取读写权限"]