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              【就業福利-245期】Linux運維必知的面試題2:Linux命令及文件操作

              運維的整個面試流程其實是非常繁雜的,為了方便大家準備,我們特地在這里給大家整理了一些Linux系統運維相關的面試題,有些問題沒有標準答案,希望要去參加Linux運維面試的朋友,可以先思考下這些問題,這次我們看看《Linux命令及文件操作》面試題:

              1.在/tmp/目錄下創建test.txt文件,內容為: Hello,World! ,用一個命令寫出來。

              2.給test.txt文件除所有者之外增加執行權限,最終以數字寫出文件的權限。

              3.用vi命令編輯test.txt,如何跳轉到末行,首行,行首、行末,如何在光標行下一行插入,如何復制5行,刪除10行,查找jingfeng的字符、把jingfeng替換為jfedu.net

              4.查找linux系統下以txt結尾,30天沒有修改的文件大小大于20K同時具有執行權限的文件并備份到/data/backup/目錄下。

              5.當前test.txt所屬的用戶為root,組為abc,請將test.txt使擁有者為abc,組為root,寫出命令。

              6.如何修改Linux啟動級別為字符模式并永久生效,如何臨時、永久關閉selinux及防火墻,請分別寫出操作方法。

              7.每次開機在/tmp目錄下創建一個當天的日期文件夾(提示:當前日期表示的方法為:`date +%Y%m%d`)

              8.如何查看文件內容,命令有哪些?查看文件第1行到3行,查看文件最后一行。

              9.查看linux服務器IP的命令,同時只顯示包含ip所在的行打印出來。

              10.將普通用戶test加入root組的命令是?

               

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