Module 1 introduce Linux evolution and popular operating systems. This module include content: The history of Linux and Unix, the parts of a Linux system, open source, Linux runs. Inviting you to refer. | Module 01 Introduction to Linux Exam Objective Linux Evolution and Popular Operating Systems Objective Summary Learn the history of Linux and Unix Understand the parts of a Linux system Start learning about Open Source Find out where Linux runs Evolution of Linux What is Linux? Linux is the kernel – the central controller Add some tools to get an operating system Shells (enter commands into the system) Systems management (add users) Applications (email, web, development) Package it up into a Linux distribution Linux History Invented as a hobby project in 1991 by Linus Torvalds while at the University of Helsinki in Finland People began contributing to make it work on their hardware The GNU project provided a base set of tools What is UNIX? Started in the 1970’s at Bell Labs, adopted by universities UNIX is now a trademark of the Open Group An OS must be certified to be called UNIX Linux is not certified so it is UNIX-like What is Linux’s job? The kernel manages application processes Allocates and reclaims memory Arbitrates access to disk and CPU Abstracts hardware specific functions so applications are hardware-agnostic Provides security and isolation of users Switches between multiple processes (preemptive multitasking) Open Source Humans write software in source code Compilers translate source to machine code If you have the source, you can make changes and see how it works Open Source means you can inspect and change the source Linux Distributions Kernel + tools + installation + package management = distribution Red Hat RHEL Fedora, CentOS, Scientific Linux Debian Ubuntu, many appliance based distributions Linux runs on Big Iron (. IBM Power Systems) Enterprise servers (Dell, HP, IBM, etc) Desktops Laptops Single board (Raspberry Pi) Custom hardware (TiVo) Embedded devices/Phones (Android) Exam Objective Choosing an Operating System Objective Summary Understanding distribution life cycle management Examine operating system differences Distribution . | Module 01 Introduction to Linux Exam Objective Linux Evolution and Popular Operating Systems Objective Summary Learn the history of Linux and Unix Understand the parts of a Linux system Start learning about Open Source Find out where Linux runs Evolution of Linux What is Linux? Linux is the kernel – the central controller Add some tools to get an operating system Shells (enter commands into the system) Systems management (add users) Applications (email, web, development) Package it up into a Linux distribution Linux History Invented as a hobby project in 1991 by Linus Torvalds while at the University of Helsinki in Finland People began contributing to make it work on their hardware The GNU project provided a base set of tools What is UNIX? Started in the 1970’s at Bell Labs, adopted by universities UNIX is now a trademark of the Open Group An OS must be certified to be called UNIX Linux is not certified so it is UNIX-like What is Linux’s job? The kernel manages application .
