Update cheatsheets

tldr/ipcs

@@ -5,13 +5,33 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # ipcs
 
-> Display information about resources used in IPC (Inter-process Communication).
-> More information: <https://manned.org/ipcs>.
+> Show information about the usage of XSI IPC facilities: shared memory segments, message queues, and semaphore arrays.
+> More information: <https://manned.org/ipcs.1p>.
 
-- Specific information about the Message Queue which has the ID 32768:
-
-`ipcs -qi 32768`
-
-- General information about all the IPC:
+- Show information about all the IPC:
 
 `ipcs -a`
+
+- Show information about active shared [m]emory segments, message [q]ueues or [s]empahore sets:
+
+`ipcs {{-m|-q|-s}}`
+
+- Show information on maximum allowable size in [b]ytes:
+
+`ipcs -b`
+
+- Show [c]reator’s user name and group name for all IPC facilities:
+
+`ipcs -c`
+
+- Show the [p]ID of the last operators for all IPC facilities:
+
+`ipcs -p`
+
+- Show access [t]imes for all IPC facilities:
+
+`ipcs -t`
+
+- Show [o]utstanding usage for active message queues, and shared memory segments:
+
+`ipcs -o`