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 ...

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 ...

When it comes to system administration, one of the earliest decisions to be made is how to configure swap space. Many readers already are thinking they know what to do: throw in as much RAM as you can ...