Linux Foundation One system introduction

• What is Linux ?

Linux is a free-to- use and free -to-propagate Unix-like operating system that is a POSIX and Unix-based multiuser, multitasking, multithreaded, and multi- CPU operating system. It can run major UNIX tools software, applications, and network protocols. It supports both the two-bit and the -bit hardware. Linux inherits the design idea of UNIX with network as its core, and it is a stable operating system.

the Linux operating system was born with 1991 5 days. There are many different Linux versions of Linux , but they all use the Linux kernel. Linux can be installed in a variety of computer hardware devices, such as mobile phones, tablets, routers, video game consoles, desktops, notebooks, mainframes, and supercomputers.

strictly speaking, the word Linux itself only represents the kernel, but in fact people are accustomed to using Linux to describe the kernel-based, and use the GNU engineering of various tools and databases of the operating system.

• Linux What are the features?

1. Basic ideas:

① all documents;

in the Linux operating systems, whether commands, hardware, software devices, processes, communication interfaces, and so on, are considered to have their own characteristics or types of files .

② Each software has a specific purpose, with a number of functions of a single program to complete complex tasks.

③ tries to avoid interacting with users, and it is easy to automate tasks in a programmatic way.

④ Use a text file to save configuration information.

2, completely free

Users can be obtained through the network or other channels for free, the source code can be arbitrarily modified. Because it is a fully open-source operating system, other operating systems are not.

3. fully compatible with POSIX1.0 standard

Linux can run common DOSandWindows programs through the appropriate simulator .

4, Multi-user, multi-task running at the same time

Linux support Multi-user, the user corresponding to their own file devices have their own special rights, to ensure that each user between non-interference, non-impact.

Linux supports multitasking, which can be multiple programs running simultaneously and independently.

5. support multiple platforms

GUI: Graphical interface

The graphical interface is just an application in Linux

CLS: Command Prompt

The operating system is via a pure character instruction.

6. Support various platform technology

Support Processors such as X86,680x0,SPARC,and Alpha .

Support Inter -chip architecture.

Supports multi-processor operation at the same time, greatly improving system performance.

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Linux Foundation One system introduction