操作系统内核实习，模拟Shell命令，运行执行后可以使用一些Shell命令-Operating system kernel internships, simulation Shell command to run after the implementation can use some Shell command
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000976s ]
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:0.087765s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.011098s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001135s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000901s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003177s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000821s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003607s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016950s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001113s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 121687 [ RunTime:0.019785s ]
