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Free And Open Source Softwares And Linux

ABOUT US

  	bio: {
  			"name": "Sabin Nepal",
  			"study": ["B.Sc.CSIT","NIST College"],
  			"github": "neymarsabin",
  			"website": "https://neymarsabin.com"
  	}

  	bio: {
  			"name": "Rajan Bhattrai",
  			"study": ["B.Sc.CSIT","NIST College"],
  			"github": "cdrrazan",
  			"website": "https://cdrrazan.com"
  	}

Word of Caution

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How we ended up using Linux!!

What’s Free Software?

The users have the freedom to run,copy,distribute,study,change and improve the software.

• Software that respects user’s freedom and community
• Matter Of Liberty Not Price, which everyone deserves

Software Freedoms

• Freedom 0: Run The Program As You Wish
• Freedom 1: Access the source code, study how program works and change it

Software Freedoms

• Freedom 2: Redistribute copies so you can help your neighbour
• Freedom 3: Distribute copies of the modified versions

Free Software != Freeware

What’s Open Source?

• Developed as public collaboration and made publicly available
• Technically Superior than Proprietary Softwares

Open Source vs Free Softwares

Some Awesome Open Source Projects

Programming languages	Frameworks	Applications
GCC = C,C++,Go	Bootstrap	Docker
Java	AngularJS	Vagrant
Lisp	Spring	Atom
Perl	Ionic Framework	EMACS
C#	ReactJS	MongoDB
Python	Wordpress	MySql
Ruby	Rails	Apache Spark
Bash Shell	NodeJS	Redis

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What is Linux ?

Linux is the open source computer operating system based on UNIX.

• “Linux” == “Kernel” + set of tools,services and programs
• Also called GNU/Linux
• Developed In Collaboration Of People Around The World
• More than 18 million lines of code

History and Evolution

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• Started = April 1991, Announced = August 1991

• Free And Open Source Alternative To Minix
• Originally named: Freak + x = “Freax”

Where is Linux?

It’s Everywhere.

Some Stats

• Of the top one million domains,Linux is the operating system for 95% of them
• Over 86.2% of smartphones run Anroid
• Among Top 500 Fastest Supercomputers In The World,More Than 98% Of Them Run On Linux
• 99.8% mainframe computers use Linux
• More than 75% of cloud-enabled enterprises use Linux as their primary cloud platform
• Amazon,Facebook,Google and many more…

Why use Linux?

So why bother learning a completely different computing environment?

• Because It’s Open Source
• Zero Cost Of Entry
• Stable, Reliable and Secure
• Huge community and very rapid bug fixes
• Package Management
• Compatibility
• Fun and Easy to use

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Linux Vs Other Operating Systems

HoW To Get Started?

• Determine ur Use Case
• Learn the basics
• Grab a distribution
• Start with a hypervisor and a book

What’s a distribution?

Some Drawbacks Not Linux?

• Gaming
• For purpose specific softwares
• Linux is Ugly

Linux File System

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Conclusion

• Linux is the most prolific software ever written

  apt-get source linux-image-$(uname -r)
      

For more information

  	info: {
  			rajan: {
 				"twitter": "@cdrrazan",
 				"github": "cdrrazan",
 				"email": "hello@cdrrazan.com"
  			},
  			sabin: {
  					"github": "neymarsabin"
  			}
  	}

• Join dev-circle-np.github.io

Thank You

Any Questions??