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Linux核心命令知识点

  • 2026-08-18 23:11:13
Linux核心命令知识点

先记常用命令，多敲多练，Linux越用越顺！

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  1. 请求信息 : 2026-08-21 15:41:41 HTTP/2.0 GET : https://f.mffb.com.cn/a/506398.html
  2. 运行时间 : 0.258623s [ 吞吐率：3.87req/s ] 内存消耗：4,603.27kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=79a038e50346ea73601f3fa4f648edcc
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  1. CONNECT:[ UseTime:0.001172s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001538s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003069s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000739s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001483s ]
  6. SELECT * FROM `set` [ RunTime:0.000660s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001830s ]
  8. SELECT * FROM `article` WHERE `id` = 506398 LIMIT 1 [ RunTime:0.001180s ]
  9. UPDATE `article` SET `lasttime` = 1787298101 WHERE `id` = 506398 [ RunTime:0.056106s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000616s ]
  11. SELECT * FROM `article` WHERE `id` < 506398 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001188s ]
  12. SELECT * FROM `article` WHERE `id` > 506398 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001099s ]
  13. SELECT * FROM `article` WHERE `id` < 506398 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001689s ]
  14. SELECT * FROM `article` WHERE `id` < 506398 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001930s ]
  15. SELECT * FROM `article` WHERE `id` < 506398 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.019816s ]
0.262696s