------ Shared Memory Attach/Detach/Change Times --------
shmid      owner      attached             detached             changed             
------ Shared Memory Creator/Last-op PIDs --------
shmid      owner      cpid       lpid      
------ Shared Memory Segment Creators/Owners --------
shmid      perms      cuid       cgid       uid        gid       
------ Shared Memory Limits --------
------ Shared Memory Status --------