Let’s look at some basic commands that report on memory usage. The first that probably comes to mind is free. The free command will tell you about used and unused memory and about swap space. Physical ...

IPC is a method that allows processes to communicate and exchange data. There are different types of IPC facilities, including semaphores, message queues, shared memory, and pipes. IPCS is a ...

Memory is still one of the things that most determines how well your Unix servers will perform. Knowing what commands will tell you what you need to know and what their responses mean will help keep ...