Sep 13 20:49:39 localhost crontab[6556]: (root) BEGIN EDIT (user)
Sep 13 20:49:52 localhost crontab[6556]: (root) END EDIT (user)
Sep 13 20:50:02 localhost crontab[6568]: (user) BEGIN EDIT (user)
Sep 13 20:51:19 localhost crontab[6568]: (user) REPLACE (user)
Sep 13 20:51:19 localhost crontab[6568]: (user) END EDIT (user)
Sep 13 20:51:27 localhost su[6616]: + pts/1 user:root
Sep 13 20:51:27 localhost su[6616]: (pam_unix) session opened for user root by (uid=1000)
Sep 13 20:51:44 localhost crontab[6619]: (root) LIST (user)
Sep 13 20:52:01 localhost /usr/sbin/cron[3972]: (user) RELOAD (crontabs/user)
Sep 13 20:53:01 localhost CRON[6620]: (pam_unix) session opened for user user by (uid=0)
Sep 13 20:53:01 localhost /USR/SBIN/CRON[6621]: (user) CMD (/home/user/Desktop/giac)
Sep 13 20:53:02 localhost CRON[6620]: (pam_unix) session closed for user user
Sep 13 20:54:31 localhost crontab[6633]: (root) LIST (user)