The document provides an overview of the history and development of Linux. It discusses how Linux originated as a free alternative to proprietary operating systems like DOS, Mac OS, and UNIX. Key points include:
- Linus Torvalds developed the initial Linux kernel in 1991 as a free UNIX-like system for Intel x86 computers.
- Linux has since been adopted widely for servers, supercomputers, embedded systems, and desktop computers. It offers high performance, security, and free/open source software.
- Major Linux distributions like Red Hat, Debian, Ubuntu consolidate Linux and make it easy for users to obtain and install through commercial support.
- Linux user groups provide local communities for sharing knowledge and
This ppt discusses the history of both the operating systems & compares both of them in terms of Kernel, memory management, GUI and application support.
CompTIA Network+ certification course provides the skills and expertise to jump start your career in network administration. Whether you are interested in studying for specific sections of the CompTIA Network+ examination, like firewalling, or a broad prep course so that you can ace every section of the examination, NetCom Learning has a course for you. Check more details at - https://www.netcomlearning.com/products/136/CompTIA-Network+-training.html
This ppt discusses the history of both the operating systems & compares both of them in terms of Kernel, memory management, GUI and application support.
CompTIA Network+ certification course provides the skills and expertise to jump start your career in network administration. Whether you are interested in studying for specific sections of the CompTIA Network+ examination, like firewalling, or a broad prep course so that you can ace every section of the examination, NetCom Learning has a course for you. Check more details at - https://www.netcomlearning.com/products/136/CompTIA-Network+-training.html
It is a simple powerpoint presentation on Linux Operating System of its brief and simplified introduction of this Operating System.
This is based on Ubuntu version of Linux.
What is Linux?
Command-line Interface, Shell & BASH
Popular commands
File Permissions and Owners
Installing programs
Piping and Scripting
Variables
Common applications in bioinformatics
Conclusion
This ppt gives information about:
1. Administering the server
2. Correcting installation problems
3. Setting up user accounts
4. Connecting to the network
5. Configuring utilities
In the presentation I have tried to cover the Evolution of Linux as an Operating System. The most of the content used is freely available on Internet , I have just tried to streamline it and summarize it as cleanly as possible from my point of view. Any improvements, suggestions, comments are most welcom.
What is operating system? Operating System and Its Function. Advantages and Disadvantages of Major OS’s. History of GNU/Linux. Features of Linux OS. The Indianized version of GNU/Linux OS: BOSS (Bharat Operating System Solutions). Directory Structure of Linux OS and Windows OS.
It is a simple powerpoint presentation on Linux Operating System of its brief and simplified introduction of this Operating System.
This is based on Ubuntu version of Linux.
What is Linux?
Command-line Interface, Shell & BASH
Popular commands
File Permissions and Owners
Installing programs
Piping and Scripting
Variables
Common applications in bioinformatics
Conclusion
This ppt gives information about:
1. Administering the server
2. Correcting installation problems
3. Setting up user accounts
4. Connecting to the network
5. Configuring utilities
In the presentation I have tried to cover the Evolution of Linux as an Operating System. The most of the content used is freely available on Internet , I have just tried to streamline it and summarize it as cleanly as possible from my point of view. Any improvements, suggestions, comments are most welcom.
What is operating system? Operating System and Its Function. Advantages and Disadvantages of Major OS’s. History of GNU/Linux. Features of Linux OS. The Indianized version of GNU/Linux OS: BOSS (Bharat Operating System Solutions). Directory Structure of Linux OS and Windows OS.
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http://tusharkute.com
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UbuntuKylin
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http://tusharkute.com
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Recent And Future Trends In Os
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Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
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Module 1 introduction to Linux
1. Module-1 Introduction to Linux
Tushar B Kute
tushar@tusharkute.com
http://snashlug.org
contact@snashlug.org
2. Before Linux
In 80’s, Microsoft’s DOS was the dominated OS
for PC, Apple MAC was better, but expensive.
UNIX was much better, but much, much more
expensive. Only for minicomputer for
commercial applications.
People was looking for a UNIX based system,
which is cheaper and can run on PC.
Both DOS, MAC and UNIX were proprietary, i.e.,
the source code of their kernel is protected.
No modification is possible without paying high
license fees.
3. How Linux initiated?
A famous professor Andrew Tanenbaum
developed Minix, a simplified version of
UNIX that runs on PC
Minix is for class teaching only. No
intention for commercial use
In Sept 1991, Linus Torvalds, a second
year student of Computer Science at the
University of Helsinki, developed the
preliminary kernel of Linux, known as
Linux version 0.0.1
4. Linux Today
Linux has been used for many computing
platforms PC, PDA, Supercomputer,…
Not only character user interface but
graphical user interface is available
Commercial vendors moved in Linux
itself to provide freely distributed code.
They make their money by compiling up
various software and gathering them in a
distributable format
Red Hat, Debian, Slackware etc.
6. Why Linux
Excellent networking facilities
Ideal environment to run servers such as a
web server, or an ftp server.
A wide variety of commercial software is
available if not satisfied by the free software
Easily upgradeable.
Supports multiple processors.
True multi-tasking, multi-user OS.
An excellent window system called X, the
equivalent of Windows but much more flexible.
Full source code is provided and free.
7. Linux is powerful OS
Today Linux has joined the desktop market.
On the server side, Linux is well-known as a
stable and reliable platform.
Linux provides many applications like:
Databases (MySQL,Postgresql),
Network services(Web Servers,DNS, Proxy,
firewall etc)
Software development tools(C, Java,
Python,Perl etc.)
Office automation tools
And many more…
8. Is Linux difficult?
There is excellent and free Internet
support and documentation
available.
The graphical user interface (GUI) is
similar in design to that on any other
system
A very powerful command line
alternative is also available.
Linux is user friendly.
9. Properties of Linux
It is Open Source
Today, Linux is ready to accept the
challenge of a fast-changing world.
Linux is free:
If you want to spend absolutely nothing,
you don't even have to pay the price of
a CD.
Linux can be downloaded in its entirety
from the Internet completely for free.
10. Properties of Linux
Linux is portable to any hardware platform.
Linux was made to keep on running.
As with UNIX, a Linux system expects to run
without rebooting all the time.
Tasks can be scheduled to run at suitable times.
Linux is secure and versatile.
The security model used in Linux is based on the
UNIX idea of security which is robust.
It is less prone to virus attacks.
Linux is scalable
11. Linux Performance
Key factors: features and
performance
It runs on a wider range of hardware
platforms and run on less expensive
and powerful systems.
Linux exceeds other operating
systems in its multiprocessing
capabilities and its support of
advanced TCP/IP networking facilities
12. Linux Performance
Linux does not restrict the number of
clients connected at the same time
It provides more reliable data
storage than other operating
systems
Linux provides advanced disk
management (RAID) which makes it
possible to automatically duplicate
stored data on several hard drives
13. FOSS
Free Open Source Software
Free – Means Liberty and not related
to Price or cost
Open – Source code is available and
any body can contribute to the
development. Organization
independent
14. Commercial Software
The opposite of OSS/FS is “closed” or
“proprietary” software.
Software
Source code that can be viewed
But cannot be modified and redistributed
without further limitation
Microsoft Windows has most of the
commercial software.
15. Freedom with the FOSS
Freedom to run the software
anywhere
Freedom to study how the programs
work. i.e source code will be
accessible
Freedom to redistribute copies
Freedom to improve the software
If a software has all these 4
freedoms, then it is a FOSS
16. Free Software
Foundation
Founded by Richard Stallman in 1983
Organisation that started developing
copylefted programs
Project – GNU Project
GNU Not Unix
Recursive expansion
17. Linux Distributions
Redhat
Fedora
Debian
Novell’s SUSE Linux
Ubuntu
Mandrake
Linux MINT
Live CDs – Knoppix and more
18. GNU/Linux
Only the kernel is called by the name
Linux
The rest are the tools developed
under GNU Project
Hence the name GNU/Linux
19. What is GNU?
GNU stands for GNU Not Unix
The goal of GNU
Create a free and complete UNIX-like
operating system
▪ This has been in development since 1984
▪ Towards this goal the GNU project has released:
▪ GCC, GNU Emacs, Bash, to name a few
For more information see the GNU
Manifesto
▪ http://www.gnu.org/gnu/manifesto.html
20. What is GNU GPL?
The GNU General Public License
Ensures that GNU software stays free
This is done through Copy Lefting
Any modification to GPL software is
required to be released to the public
Linux is released under the GPL
Due to its restrictive nature the GPL
has recently come under fire
http://www.linux.org.uk/GPL.html
21. Where Linux stands?
More than 90% of today's 500 fastest
supercomputers run some variant of Linux,
including the 10 fastest.
Linux also runs on embedded systems
(devices where the operating system is
typically built into the firmware ) such as
mobile phones, tablet computers, network
routers, televisions and video game
consoles;
The Android system in wide use on mobile
devices is built on the Linux kernel.
24. Linux vs. Windows
Financial Differences
Technical Differences
End-User Differences
25. Financial Differences
Cost for Businesses
Companies have to spend millions for
licenses for ever individual windows
computer
For Linux companies don’t have to spend
anything
COST
LINUX WINDOWS
Online Downloads Free Not Available
Retail Price, CD Rs. 100 Rs. 3000 +
26. Technical Differences
Keeping up to date by Upgrading
Linux upgrades faster than Windows
Almost after every 6 months Linux distro is
upgraded.
Compatibility
Linux is Backward Compatible unlike Windows.
Linux have multi-user support.
Application Differences
No commercial word processor for Linux,
which matches the quality for Windows
27. End-user differences
Proprietary vs. Open Source
Windows is a Proprietary Technology
▪ Applications will only work on Windows
Linux – Open Source
Linux
Complete information needed for download
Technical help – Available on Internet (user must
be comfortable with UNIX system)
Windows word processor is better
than Linux
28. In commercial arena
Windows – is easy for
non-programmer.
Linux – is programmer-based culture.
29. From our point of view
Due to the properties of Open source,
freeware, and security use of Linux is
growing in State and Central government
in India. Kerala and Andhra has already
started their movement.
University of Pune has converted its
syllabus into open source based
technologies from last academic year.
30. Linux User Group
GNU/Linux User Group (GLUG) is a
private, generally non-profit or
not-for-profit organization that provides
support and/or education for Linux users.
The term commonly refers to local groups
that meet in person, but is also used to
refer to online support groups that may
have members spread over a very wide
area and which do not organize, or which
are not based around, physical meetings.
31. User groups meetings
LUGs typically meet once per month in
facilities freely provided by universities,
colleges, community centers, private
corporations, or banquet rooms in
restaurants.
Joining is free.
Informal conferences and round table
discussions.
Close geographical locations such as
City or University.
32. User Group activities
Organizes installfests.
Development of project and
international stature.
Gifting books, Linux magazines, Linux
CDs.
Socialization.
Organizing guest lectures and seminars
from Linux expertises.
Hackfests
Free software day.
34. Kind of meetings in
group
Social
Technical presentations
Informal discussion groups
User group business
GNU/Linux installation
Configuration and bug-squashing
35. Activities in meetings
Install distributions for newcomers and
strangers.
Teach members about GNU/Linux.
Compare GNU/Linux to other operating
systems.
Teach members about application software.
Discuss advocacy.
Discuss the free software / open-source
movement.
Discuss user group business.
36. Groups uses internet
Atlanta Linux Enthusiasts
Boston Linux and Unix
Colorado Linux Users and
Enthusiasts
Düsseldorfer Linux Users Group
India Linux Users Group - Delhi
Israeli Group of Linux Users
Korean Linux Users Group
Linux México (La Cofradía Digital)
Linux User Group Austria
37. This presentation is created using LibreOffice Writer 4.1.0.4 available
freely under GNU public license.
Thank you