[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$foiTHh1O4OL2xcLqaofJDgJQCYIXD1f-kBuVYEg8JWPc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-04-16 21:11:44",138709101,[8,9,10,11],"chown eric myfile","chmod eric: myfile","chgpt :eric myfile","chowe eric myfile",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},28,"4b908dc7b287ccdb447b2a26f0d3c902","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3949c11f4290f1256e8cd3b28735bac3.jpg","Linux应用","work_33677004","【选择题】练习4-命令","改变文件myfie的属主用户Eric的命令?( )",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],138709088,[25,26,27,28],"pause","cat","more","grep","可以一次显示多页内容的命令是?( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],138709090,[36,37,38,39],"attrib","chmod","change","file","更改文件的权限的命令是?( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],138709092,[45,46,47,48],"rmuser -r","deluser -r","userdel -r","usermgr -r","删除用户并同时删除用户的主目录的命令?( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],138709094,[54,55,56,57],"cp f1.txt | f2.txt","cat f1.txt | f2.txt","cat f1.txt > f2.txt","copy f1.txt | f2.txt","可以把f1.txt复制为f2.txt的命令时?( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],138709096,[63,64,65,66],"tac -5","tail -5","rear -5","last -5","显示文件最后5行的命令是:( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],138709098,[72,73,74,75],"cd @Eric","cd #Eric","cd &Eric","cd ~Eric","切换到用户Eric宿主目录下的命令?( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],138709100,[81,82,83,84],"find \\* file","wc -l * < file","grep -n * file","grep '^\\*' file","查找所有以"*"打头的文件中的行?( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],138709102,[93,94,95,96],"del \u002Ftmp\u002F*","rm -rf \u002Ftmp","rm -Ra \u002Ftmp\u002F*","rm -rf \u002Ftmp\u002F*","如何删除一个非空子目录\u002Ftmp?( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],138709103,[102,103,104,105],"\u002Fetc\u002Fbashrc","\u002Fetc\u002Fprofile","~\u002F.bash_profile","\u002Fetc\u002Fskel\u002F.bashrc","所有用户的变量设置,在哪个文件下?( )"]