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一份就够!Linux 常用命令全场景指南

  • 2026-03-10 17:35:03
一份就够!Linux 常用命令全场景指南

一份就够！Linux 常用命令全场景指南

对于运维、开发或数据分析从业者来说，Linux 命令是绕不开的基础技能。但新手往往陷入 “记了忘、忘了记” 的循环，核心原因是没有按使用场景系统梳理。
本文整理了 Linux 最常用的 7 大类核心命令，覆盖文件操作、文本处理、权限管理、系统监控等高频场景，还总结了 4 个实战中最常用的命令组合。无需死记硬背，收藏这份指南，随用随查，轻松搞定 Linux 日常操作。#网络安全#计算机#编程#运维#互联网

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  1. CONNECT:[ UseTime:0.000380s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000521s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002712s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002750s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000489s ]
  6. SELECT * FROM `set` [ RunTime:0.000208s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000569s ]
  8. SELECT * FROM `article` WHERE `id` = 478704 LIMIT 1 [ RunTime:0.002167s ]
  9. UPDATE `article` SET `lasttime` = 1774641923 WHERE `id` = 478704 [ RunTime:0.011056s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000278s ]
  11. SELECT * FROM `article` WHERE `id` < 478704 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000485s ]
  12. SELECT * FROM `article` WHERE `id` > 478704 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000404s ]
  13. SELECT * FROM `article` WHERE `id` < 478704 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001113s ]
  14. SELECT * FROM `article` WHERE `id` < 478704 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001410s ]
  15. SELECT * FROM `article` WHERE `id` < 478704 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000665s ]
0.099656s