Explicitly mention "System V" in the description, so that readers do not
get confused with the POSIX IPC mechanisms.
Signed-off-by: Michael Kerrisk (man-pages) <mtk.manpages@gmail.com>
[options]
.SH DESCRIPTION
.B ipcmk
-allows you to create shared memory segments, message queues,
+allows you to create System V inter-process communication (IPC) objects:
+shared memory segments, message queues,
and semaphore arrays.
.SH OPTIONS
.TP
[options]
.SH DESCRIPTION
.B ipcs
-shows information on inter-process communication facilities.
+shows information on System V inter-process communication facilities.
By default it shows information about all three resources:
shared memory segments, message queues, and semaphore arrays.
.SH OPTIONS
[options]
.SH DESCRIPTION
.B lsipc
-shows information on the inter-process communication facilities
+shows information on the System V inter-process communication facilities
for which the calling process has read access.
.SH OPTIONS
.TP