Use IPCS to debug IPC facilities

Prerequisites:

1. ipcs

View all memory segments and semaphore arrays:

$ ipcs -s -m

View details of a memory segment:

$ ipcs -m -i <id>

View details of a semaphore array:

$ ipcs -s -i <id>

Delete a memory segment:

$ ipcrm -m <id>

Delete a semaphore array:

$ ipcrm -s <id>

Related PDFs:

• http://files.assistedcoding.eu/support/semaphores.pdf
• http://files.assistedcoding.eu/support/shared%20memory.pdf
• http://files.assistedcoding.eu/support/SystemV%20IPC%20and%20semaphores.pdf