2. Key Learning in full course
• Basic Command
• Package Management
• File Permission
• User Management
• Shell Script
• Remote Access Server
• Web Server
• DNS Record
• Docker
3. Introduction To Linux
Content:
• What is Linux ?
• Why use Linux?
• Evolution of Linux OS
• Find the Linux version
• Linux Distribution
• Linux Architecture
• Linux Market
• Install Linux
4. After finishing this lesson student will :
• Understand Linux OS
• Understand of Linux Market
• Understand Linux Distribution
• Understand Linux Kernel
• Understand Linux Architecture
5. What is Linux?
5
• Linux is an open-source software
• It like other software such as Microsoft Windows, Apple Mac OS, iOS, Google android,
etc.
• Linux is the fastest-growing OS.
• Embedded systems: the advent of the Internet of Things
• It is used from phones to supercomputers by almost all major hardware devices
• It is everywhere in our phones, laptops, PCs, cars and even in refrigerators
• It is very much famous among developers and normal computer users.
6. Why use Linux?
6
A Linux distribution is the collection of software applications and drivers that make Linux
usable on your hardware. Common Linux distributions in 2021 include:
• Free & Open Source Operating System
• Security
• Development
• A flexible operating system
• Server Management
7. Evolution of Linux OS
Find the Linux version in
GUI
7
A GUI (graphical user interface) is a system of interactive visual components for
computer software. A GUI displays objects that convey information, and represent
actions that can be taken by the user. The objects change color, size, or visibility when
the user interacts with them.
14. Evolution of Linux OS
Embedded Devices and
System
14
Embedded Linux is a type of Linux kernel that is specially designed for embedded
devices. For example, the popular smartphone operating system, Android, is a
type of embedded Linux customized for smartphones
IOTs
Embedded Devices
15. Linux Distribution
15
A Linux distribution is the collection of software applications and drivers that make Linux
usable on your hardware. Common Linux distributions in 2021 include:
• Red Hat Enterprise Linux 8, free to use but support agreements are chargeable
• CentOS 8, Red Hat rebuild with only community support and scheduled to be
discontinued at the end of 2021
• Ubuntu 20.04 LTS, the current Long Term Support, (5 years) version from Canonical
• SUSE Linux Enterprise Server 15
• openSUSE 15.2, community edition of the SUSE Enterprise product
• Kali, Linux distribution with tools developed by Offensive Security
• Raspbian, Debian based Linux distribution used on Raspberry Pi credit card sized
computer
• Android, Phone based Linux distribution
17. Linux Market
17
Linux Market is focused on the scope of use of all sectors to create various technologies
to serve business or education or government ... etc.
• Company
• Device
• Software Development
• Server
• Other technologies
18. Linux Market( continue )
18
Amazon
Google
IBM
Facebook
Apple
Microsoft
Super Market
Coding Company
Ministry
Other companies
Bank
20. Linux Architecture
20
The Linux operating
system's architecture
mainly contains some of
the components: the
Kernel, System Library,
Hardware layer, System,
and Shell utility.
• Terminal
• CPU
• RAM
• HDD
• Network
Card
• Printer
• ……..
21. Linux Architecture
(Continue)
21
• Hardware Hardware consists of all physical devices attached to the System. For
−
example: Hard disk drive, RAM, Motherboard, CPU etc.
• Shell Shell is the interface which takes input from Users and sends instructions to
−
the Kernel, Also takes the output from Kernel and send the result back to output
shell.
• Utility These are the utility programs which runs on Shell. This can be any
−
application like Terminal, Service, Shell Scrip, Programming etc.
• Kernel Kernel is the core component for any (Linux) operating system which
−
directly interacts with the hardware.
