One of the prerequisites for using Linux is the Linux process management, which is the process by which countless processes are running. These processes need to occupy the system memory and other resources, good system process management, for our reasonable allocation, use of system resources has great significance. Today we look at the IPCS command in the Process Management command.
The IPCS command is used to report the status of interprocess communication facilities in Linux, and displays information such as message lists, shared memory, and semaphores.
Grammar
IPCS (option)
Options
-A: Displays all the information that can be displayed;-Q: Displays the active message queue information;-M: Displays the active shared memory information;-S: Displays the semaphore information for the activity.
Instance
ipcs -a------ Shared Memory Segments --------key shmid owner perms bytes nattch status 0x7401833d 2654208 root 600 4 0 0x00000000 3145729 root 600 4194304 9 dest 0x7401833c 2621442 root 600 4 0 0xd201012b 3080195 root 600 1720 2
Process management is an important means of using Linux, but also the necessary skills to optimize the system resources reasonably, today's IPCS command learning to end here, thanks to Marco Education to provide content support.
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Linux QuickStart Tutorial-process Management IPCS command Learning