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终于有人把Linux给讲明白了!(附超全笔记)

  • 2026-07-05 18:54:28
终于有人把Linux给讲明白了!(附超全笔记)

很多想学 Linux 的朋友，应该都踩过这个坑：网上资料太碎片化，今天学几个命令，明天看一点配置，学了很久还是串不成体系，真正遇到问题时依旧不知道从哪下手。

这份我整理的 Linux 学习笔记，覆盖目录结构、常用命令、用户权限、软件安装、网络配置、进程管理、计划任务、Vim 编辑器等核心内容，从入门到实用一次梳理清楚。刚开始学，或者想系统查漏补缺的朋友，可以先收藏起来慢慢看👇

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

Linux统计信息之top

奇技淫巧️Linux三剑客grep/sed/awk超全

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  1. CONNECT:[ UseTime:0.000813s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000936s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000436s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000365s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000617s ]
  6. SELECT * FROM `set` [ RunTime:0.000288s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000728s ]
  8. SELECT * FROM `article` WHERE `id` = 503587 LIMIT 1 [ RunTime:0.000507s ]
  9. UPDATE `article` SET `lasttime` = 1783264436 WHERE `id` = 503587 [ RunTime:0.026275s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000433s ]
  11. SELECT * FROM `article` WHERE `id` < 503587 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000781s ]
  12. SELECT * FROM `article` WHERE `id` > 503587 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000437s ]
  13. SELECT * FROM `article` WHERE `id` < 503587 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000948s ]
  14. SELECT * FROM `article` WHERE `id` < 503587 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001667s ]
  15. SELECT * FROM `article` WHERE `id` < 503587 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003162s ]
0.128628s