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其实Linux命令 没有想象那么困难,只要掌握这20个命令足以应付80%的测试场景

  • 2026-07-03 02:16:36
其实Linux命令 没有想象那么困难,只要掌握这20个命令足以应付80%的测试场景

做测试刚接触Linux的时候总觉得命令难背难记，遇到问题要翻半天文档，越弄越慌。

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其实真没必要死磕几百个命令，我测试做了三年，日常排查问题80%场景，只要用好这20个核心命令就够了。整理好了每个命令的常用参数和实操场景，刚入门的朋友直接存下就能用👇

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  1. CONNECT:[ UseTime:0.001189s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000855s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000337s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000247s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000467s ]
  6. SELECT * FROM `set` [ RunTime:0.000207s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000596s ]
  8. SELECT * FROM `article` WHERE `id` = 498682 LIMIT 1 [ RunTime:0.003258s ]
  9. UPDATE `article` SET `lasttime` = 1783105879 WHERE `id` = 498682 [ RunTime:0.007828s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000255s ]
  11. SELECT * FROM `article` WHERE `id` < 498682 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004270s ]
  12. SELECT * FROM `article` WHERE `id` > 498682 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000612s ]
  13. SELECT * FROM `article` WHERE `id` < 498682 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000788s ]
  14. SELECT * FROM `article` WHERE `id` < 498682 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006460s ]
  15. SELECT * FROM `article` WHERE `id` < 498682 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.018770s ]
0.199991s