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posix是什么都不知道,就别说你懂Linux了!

  • 2026-02-08 00:54:35
posix是什么都不知道,就别说你懂Linux了!

Linux开发者越来越多，但是仍然有很多人整不明白POSIX是什么。本文就带着大家来了解一下到底什么是POSIX，了解他的历史和重要性。一、什么是posix？ 1. 概念POSIX：可移植操作系统接口（Portable Operating System Interface of ...

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  2. 运行时间 : 0.125867s [ 吞吐率：7.94req/s ] 内存消耗：4,431.61kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=dcf91865224a62c1fa073e9236ce4cef
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  1. CONNECT:[ UseTime:0.000634s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000552s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001084s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001113s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000522s ]
  6. SELECT * FROM `set` [ RunTime:0.000197s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000622s ]
  8. SELECT * FROM `article` WHERE `id` = 467377 LIMIT 1 [ RunTime:0.012992s ]
  9. UPDATE `article` SET `lasttime` = 1770490299 WHERE `id` = 467377 [ RunTime:0.001382s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.009996s ]
  11. SELECT * FROM `article` WHERE `id` < 467377 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001741s ]
  12. SELECT * FROM `article` WHERE `id` > 467377 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003645s ]
  13. SELECT * FROM `article` WHERE `id` < 467377 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.014286s ]
  14. SELECT * FROM `article` WHERE `id` < 467377 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001928s ]
  15. SELECT * FROM `article` WHERE `id` < 467377 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008478s ]
0.127583s