Linux Basics – Device Files

It is easy to manipulate most devices on a Unix system because the kernel presents many of the device I/O interfaces to user processes as files. These device files are sometimes...

Linux Basics – The Kernel

Why are we talking about main memory and states? Nearly everything that the kernel does revolves around main memory. One of the kernel’s tasks is to split memory into many subdivisions,...

Linux Basics – Understanding Main Memory

Of all of the hardware on a computer system, main memory is perhaps the most important. In its most raw form, main memory is just a big storage area for a...

Linux Basics – Levels and Layers of Abstraction in a Linux System

Using abstraction to split computing systems into components makes things easier to understand, but it doesn’t work without organization. We arrange components into layers or levels. A layer or level is...
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VMware

VMware – vCenter Server Architecture

To start with, vCenter Server is the centralized management utility by VMware, and is used to manage virtual machines, multiple ESXi hosts, and all...

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