Process is the most central concept of any operating system (OS).
Process is an abstraction of a running program.
Process is an executing program including the current values of the program counter, registers, and variables.
Today, almost every computers can do many things at the same time. For instance, you can download files from Internet, operate your Facebook account, copy some songs to the pen drive, all can be perform at the same time. This is called multitasking.
This tutorial of processes is divided into the following 8 different-different tutorials: