Operating system (Introduction to Linux) > What is operating system? > History of LINUX operating system. > Linux distributions. > LINUX key features. Learn more from my YouTube channel: (IT Illusions) https://www.youtube.com/channel/UCiV576sPPPPgggyS_RHcORw

1. Operating System
(Introduction to LINUX)

2. Operating System:
“An Operating System (OS) is a software that acts as an interface
between computer hardware components and the user.”
OS

3. Example:
Here, google translator is interface between the English and the Spanish.

4. History of Linux operating System:
1964 (Start) (Bell Laboratory in New Jersey)
1969 (Close) (withdraw)
(Restart)
Dennis Ritchie Ken Thompson
(UNICS stands for “UNiplexed Information Computing System”)
UNICS is later introduced as UNIX.
1975 UNIX V6 (Free & Open Source Edition)

5. Unix
IBM-AIX
SUN Solaris
MAC OS
HP-UX
LINUX
Linus Torvalds 1991
(Free & Open Source Edition)
Professor of Linus was “Andrew
Tanenbaum”. He was founder of
“MINIX” operating system. The
purpose of this invention is to
educate students.
LINUX is developed from initial state.
UNIX and MINIX are its bases.

6. Distributions of Linux:
A Linux distribution (often abbreviated as distro) is an operating system (OS)
made from a software collection that is based upon the Linux kernel and, often,
a package management system. These are as under:
• Red Hat Linux
• Fedora
• Debian
Other flavors are Kali Linux, Ubuntu, CentOS & Amazon Linux. etc.

7. Linux key features:
• Open Source.
• Secure.
• Simplified updates for all installed software.
• Light weight.
• Multiple distributions. E.g. Kali Linux which is a distribution of Linux
and commonly used in hacking purposes.