全英文版本，详细讲解linux的内核的体系结构，各种常用的命令等知识。-The entire English version of linux elaborate on the core architecture, a variety of commonly used commands, such as knowledge.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001664s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.095721s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001014s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001307s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001324s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003136s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001121s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003887s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015938s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001162s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 190523 [ RunTime:0.011578s ]
