一个小型操作系统雏形，实现了基本的启动以及基础的内存设备管理功能-a small operating system prototype, to achieve the basic infrastructure as well as the start of the memory management functions of equipment
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001294s ]
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:0.089636s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001265s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001889s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001225s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003731s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003210s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016285s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001443s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 252509 [ RunTime:0.001242s ]
