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Linux三剑客分别是什么?为什么效率那么高效!

  • 2026-03-28 21:00:09
Linux三剑客分别是什么?为什么效率那么高效!
Linux命令行里有三大剑客，你知道吗？
grep这是大海捞针的高手，sed是一位批改作业的老师，awk超强的算账不眨眼的会计。这三兄弟各怀绝技，合体更是无敌。刚入行那会儿，我对着日志文件只能手动翻，对着配置文件只能手动改，对着数据只能手动算。后来学会了这三剑客，才发现自己以前有多傻。今天就把它们介绍给你，保证让你相见恨晚。

这三剑客，就是运维人的“效率三件套”。grep搜、sed改、awk算，一套下来，文件、日志、配置全搞定。

但在网安人手里，它们就更“狠”了！                                            grep扒密码、sed改后门、awk算攻击量，三兄弟直接变身“安全三件套”。我干运维五年，后来转网安，发现这些命令全成了吃饭的家伙。想从“命令行小白”变“网安大神”？先把这三兄弟拿下再说。⬇⬇⬇⬇⬇

#网络安全#Linux命令#计算机#运维#互联网#Linux

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  1. CONNECT:[ UseTime:0.001290s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001596s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000706s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000699s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001342s ]
  6. SELECT * FROM `set` [ RunTime:0.000578s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001712s ]
  8. SELECT * FROM `article` WHERE `id` = 483626 LIMIT 1 [ RunTime:0.020726s ]
  9. UPDATE `article` SET `lasttime` = 1774705522 WHERE `id` = 483626 [ RunTime:0.002847s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000683s ]
  11. SELECT * FROM `article` WHERE `id` < 483626 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001261s ]
  12. SELECT * FROM `article` WHERE `id` > 483626 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002589s ]
  13. SELECT * FROM `article` WHERE `id` < 483626 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.027181s ]
  14. SELECT * FROM `article` WHERE `id` < 483626 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.070118s ]
  15. SELECT * FROM `article` WHERE `id` < 483626 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.031012s ]
0.368201s