操作系统实验，内存的管理，实现了首次适应算法及循环首次适应算法，功能较好，并有实验结果及统计-experimental operating system, memory management, for the first time algorithm to adapt and adapt to the first cycle of algorithms, function better, and experimental results and statistics
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001488s ]
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:0.090417s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000943s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001159s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000953s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003026s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000887s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003911s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015350s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001173s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 143624 [ RunTime:0.015525s ]
