Computer Operating System Introducation

By Qingyang Li

Computer is no longer stranger to us, but besides Windows and Mac OS, there are some of other systems but not very familiar to us. And here I will introduce all of operating systems.

1. Dos (Disk Operating System)

Dos is a system which developed by Microsoft and used for command-line operating, it was used from 1981.Normally, it is stored in hard drive, and every time we start our computer, it is moved into RAM to help computer operating other software.
Different from other systems, we have to enter commanding codes manually to control computer.
But if you want to use this system really well, you have to understand computer languages.

    2. Windows

It is the most popular system that human ever use, before Mac OS, almost every computer are using this operating system, it promoted computers into every families ,it is very easy to use and have clearly User Interface.
 
   3. UNIX

It was developed starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie and others. It is very reliable and safer, can used on different types of computers, but software is kind of lack, not easy to use,it is basically used on servers now.

  4. Linux

This system is more like "the Child of Unix", it has the advantages of Unix and meanwhile has more new function.Also, it is free and everyone can change it from original system into the system which they want , like ubuntu, Fedora, Debian .

  5. Mac OS
  This system is now famous as Windows, used on every Apple's device, it is developed and based on UNIX. Mac OS has good user experiences , beautiful UI and very easy to use. But all the software you use have to download from App store