In this post we have seen introduction to Linux. What is Linux? It’s features and it’s Distribution.
What is Linux?/ Intro To Linux
Linux Operating system is similar to UNIX. It is developed by Linus Torvalds in year 1991. He used the open source codes and kernel of UNIX to develop the model of UNIX. The LINUX kernel code is free. however the companies developing it offer free or commercial version of Linux. Ex: Red hat enterprise Linux is the commercial edition while Centos is the free community version.
Features of Linux Operating System
- Linux kernel is free to download, use and distribute.
- The community version offers online support for free.
- Linux is reliable, with very few OS crashes.
- It is scalable as, it is developed to run on variety of devices ranging from mobile devices, desktops, servers, mainframes and supercomputers.
- It allows multitasking and multiuser interface.
- Provides option for data sharing and communication among the users by allowing TCP/IP networking.
- As a statistic based on top operating systems survey, 35% of internet servers and 99% of world’s super computer powered by Linux Operating system.
Compare Linux and UNIX
The graphical representation illustrates the simplified history and developers of UNIX like operating systems.
Linux shares similar architecture and concepts from UNIX. Additionally, It’s kernel and other components are free and open-source software.
Linux was originally developed for intel’s x86 hardware, While UNIX was originally designed for x86 and ltanium systems, while MAC OS is compliant with PowerPC/x86/x64 systems.
Popular Linux Distributions
Red Hat- it is a billion-dollar commercial Linux company that puts a lot of effort in developing Linux, the other editions supported by Red Hat company are Fedora (free edition) and Centos (free community supported)
Ubuntu Linux – is a free Linux version from canonical company it is popular among home users, it provides graphical Linux Desktop without any need to access command line.
Debian – It should noted that there is no company behind Debian GNU development, instead global developers elect a Debian project Leader every 2 years, companies sponsor the Debian development projects.
Debian is extremely popular among advanced users because of its technical excellence and expectations from Linux community. Ex: for Debian is kali Linux.
Arch Linux– supported on x86-64 hardware architecture, the prominent version is Arch Linux Arm, used on devices like beagle board, Raspberry pi and trimslice.
Slackware Linux– a Linux distribution created in 1993. It is one of the oldest distributions of Linux. OpenSUSE is a descendant of Slackware Linux.
Considering Indian perspectives, BOSS (Bharat Operating system solutions) is a GNU LINUX indigenously develop in India by C-DAC Chennai. It meant to used on Desktop PCS of Government of India employees.