key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap 0 0 1600 219056 643 4176699 5 998 999 998 999 1769516125 1769516125 1755517654 221184 0 28278 3 600 56 393364 4176782 6 116 122 116 122 1769516293 1769516293 1764819320 0 4096