Open System Services Shell and Utilities Reference Manual (G06.28+, H06.05+)

User Commands (g - j) ipcs(1)
CREATOR (a,c)
The username of the creator of the facility entry.
CGROUP (a,c)
The group name of the creator of the facility entry.
Note that when the OWNER, GROUP, CREATOR, and CGROUP columns all
appear, the user IDs and group IDs are displayed instead of the usernames and group
names.
CBYTES (a,o)
The number of bytes in messages currently outstanding on the associated message
queue.
QNUM (a,o)
The number of messages currently outstanding on the associated message queue.
QBYTES (a,b)
The maximum number of bytes allowed in messages outstanding on the associated
message queue.
LSPID (a,p)
The ID of the latest process that sent a message to the associated queue.
LRPID (a,p)
The ID of the latest process that received a message from the associated queue.
STIME (a,t)
The time when the last message was sent to the associated queue.
RTIME (a,t)
The time when the last message was received from the associated queue.
CTIME (a,t)
The time when the associated entry was created or changed.
NATTCH (a,o)
The number of processes attached to the associated shared memory segment.
SEGSZ (a,b)
The size of the associated shared memory segment.
CPID (a,p)
The process ID of the creator of the shared memory entry.
LPID (a,p)
The process ID of the latest process to call the shmat(), shmdt(),orshmctl() function
for the associated shared memory segment.
ATIME (a,t)
The time when the latest call to the shmat() function was made for the associated
shared memory segment.
DTIME (a,t)
The time when the latest call to the shmdt() function was made for the associated
shared memory segment.
NSEMS (a,b)
The number of semaphores in the set associated with the semaphore entry.
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