Link list for download linux OS

http://fedoraproject.org/get-fedora

http://www.ubuntu.com/download/ubuntu/download

http://www.linuxmint.com/download.php

https://access.redhat.com/downloads/

http://slackware.com/getslack/

Linux Distributions

1. There are more than 400 Linux Distributions called “DISTROS”
2. Differences between one and the next <20%
3. Among the more popular DISTROS are :
   • FEDORA CORE, KNOPPIX, DEBIAN, SUSE, UBUNTU, MANDRAKE, SLACKWARE, GENTOO, RED HAT

Linux Packages (RPM)

• RPM Package Manager, originally called the Red-hat Package Manager.
• It is a program for installing, uninstalling, and managing software packages in Linux.
• RPM was developed on the basis of the Linux Standard Base (LSB).
• In latter-day usage, the "RPM" portion of this term arises from the fact that .rpm is the default extension for files used by the program.

Components Of Linux Kernel

• Processor
• Memory
• Devices
• File Systems
• Security

Linux Features

• No constant rebooting
• Portable software
• Downloadable applications
• No settings hidden in code or registries
• Freedom

Linux Standard Base (LSB)

Joint project by several Linux distributions under the organizational structure of the Linux Foundation to standardize the Software System Structure, or File System Hierarchy, used with Linux operating system.

Origin Of Linux

• Linux is a freely distributed OS that behaves like the Unix OS
• Linux is a complete MULTITASKING, and MULTI-USER OS that behaves like UNIX in terms of kernel behavior and peripheral support
• Linux supports demand paging
• Linux also offers support for copy-on-write

OSS Web Recource

• OSS Websites
• Mailing list
• Forum – online discussion
• Usenet newsgroup – forum discussions based on particular topic of interest

Type Of OSS

OFFICE SOFTWARE

• Abiword - word processing tool
• Open Office.org - business productivity suite

OPERATING SYSTEMS

• GNU/Linux (various versions or distributions)
• OpenSolaris

IT SECURITY

• Smoothwall - firewall and security tools
• Wireshark (aka Ethereal) - security application
• KeePass - password management

IMAGES / MULTIMEDIA

• GIMP - image processing/graphics editing
• VLC - multimedia file playback

DEVELOPMENT TOOLS

• Ruby on Rails - rapid web application development
• Eclipse - integrated development environment
• Joomla - enterprise content management system

History Of Open Source

• 1985 ~ Free Software Foundation published the GNU manifesto by Richard Mathew Stallman
• 1989 ~ Stallman released the first program independent GNU General Public License known as GPL or copyleft
• 1990 ~ Linus Torvalds write his own kernel and released it under GPL