Introduction to the first section of Linux systems

I. Linux definitions

Linux is an operating system, just like how much you already know about Windows (xp,7,8) and Max OS.

The role of the operating system in the entire computer system: Linux is the system call and the two layers of the kernel, intuitively, we use the operating system also contains some of the applications running on it, such as text editor, browser, e-mail.

Two. Introduction to Linux History

Three. Linux Important People

1.Ken Thompson:c The father of language and the father of UNIX

2.Dennis Ritchie:c The father of language and the father of UNIX

3.Stallman: Famous hacker, founder of GNU, developed Emacs, GCC, bash shell

4.Bill JOY:BSD Developer

5.Bill JOY:BSD Developer

6.Linus father of Torvalds:linux, University of Helsinki, Finland

Four. Linux differs from Windows

1.Linux more expensive

2. Software and support

3. Security

4. Usage habits

5. Can be customized

6. Scope of Use

7.Windows not there.

8.Linux not there.

Five. Learning methods

Introduction to the first section of Linux systems