key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap 5555 1 644 1024 2165 29386 0 0 0 0 0 1751928943 1751928943 1750955180 4096 0 260448962 25952265 600 5000 10853 10853 1 0 0 0 0 1758481200 0 1758481200 8192 0