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Introduction to Linux Operating System RHEL 7/Centos 7

introduction to Linux Introduction to Linux Operating System RHEL 7/Centos 7

introduction to Linux

Introduction to Linux Operating system RHEL 7/Centos 7

UNIX is the first Operating system in the world, developed by Kem Thompson and Dennis Ritchie in 1969 at Bell Lab by AT&T Company

Free software foundation organization, they start a project by name GNU. The main aim of this project is to develop such an operating system that can run on any platform.
In 1991, a student Linuz Torvalds developed a kernel named Linux’s kernel plus GNU application called Linux operating system.
Linux is an open source technology.
Different companies that provide Linux in Market are Redhat, Fedora, Ubuntu, SuSe, Scientific, Centos, and Knoppix etc.

Features:

Advantages:

Login Modes:
Two modes:

1.Text mode (CLI)

2.Graphical Mode (GUI)
Login to Text mode we have use (Ctrl+Alt+F1…..F6, F8….F12) (Ctrl+Alt+F7) for Graphical Mode

Linux is mostly used by internet servers and database servers. It is a very efficient multi-user and multi-taking operating system traditionally used by large companies and educational institutions.

It is scalable from a small system to enterprise level system, which makes it suitable for anyone looking for low cost, reliable operating system.

For programmers it has more and more built-in utilities / tools, programmable shell and a straight forward structure which is very easy to compile/produce complex programs.

Linux Operating systems has CLI and GUI interfaces to work on. For end users / Beginners they can make use of GUI interface to work. The GUI interface called as X windows and it supports many business applications and games.

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