IPCS output shows key value 0

[Harmanjit_1]

Hi,

Does anyone know why the KEY is 0? Is this normal?. The server is Ds20 running with Tru64 5.1B

root> ipcs

Message Queues:
T ID KEY MODE OWNER GROUP
q 0 0x41dd02f0 --rw------- root system
q 65 0 -Rrw-rw-r-- root daemon
q 2 0 --rw-rw--w- root daemon
q 3 0 --rw-rw-rw- root daemon
q 5 0 --rw-rw-rw- root daemon
q 6 0 --rw-rw-rw- root daemon
q 7 0 --rw-rw-rw- root daemon
q 8 0 --rw-rw-rw- root daemon
q 9 0 --rw-rw-rw- root daemon
q 10 0 --rw-rw-rw- root daemon
q 11 0 --rw-rw-rw- root daemon
q 12 0 --rw-rw-rw- root daemon
q 13 0 --rw-rw-rw- root daemon
q 14 0 --rw-rw-rw- root daemon

Shared Memory:
T ID KEY MODE OWNER GROUP
m 0 0 --rw-rw-rw- root daemon
m 1 0 --rw-rw-rw- root daemon
m 2 0 --rw-rw-rw- root daemon
m 3 0 --rw-rw-rw- root daemon
m 4 0 --rw-rw-rw- root daemon
m 5 0 --rw-rw-rw- root daemon

Semaphores:
T ID KEY MODE OWNER GROUP
s 16 0 --ra-ra-ra- root daemon
s 17 0 --ra-ra-ra- root daemon
s 2 0 --ra-ra-ra- root daemon
s 3 0 --ra-ra-ra- root daemon

[Ivan Ferreira]

I cannot explain exactly why is zero, but It should be normal as I have some like that on my systems.