Operating systems have been evolving through the years. The major operating system that makes difference are few. Some of them are Unix, MS-dos, mac os, Linux, windows etc.

1. We all use computers but
do we take the operating systems that we use
everyday for granted?
The Modern Os that we use in daily basis
was come from somewhere and in this
presentation I’ll give you some information
about…….

2. The “History of
The operating systems”.

3. “Can I have a computer
with an old Operating
System”

4. Evolution of Operating System
Operating systems have been
evolving through the years.
The major operating system
that make difference are few..
Operating
System
Year
Unix 1969
MS-DOS 1981
Mac OS 1984
Linux 1991
Windows95 1995

5. Unix (1969)
• Developed by AT&T Bell
LabsSecond
• It is written in C, which allows for
easier modification, acceptance,
and portability.

6. MS-DOS (1981)
• Developed by Microsoft for the
IBM PC’s
• It was the first widely available
Operating Systems for home
users. In 1985.

7. Mac OS (1984)
• Developed by Apple Computer Inc.
• Stunning Graphical User Interface
(GUI). This lead to a very stable OS,
as well as wide acceptance due to
its ease of use.
• Server edition

8. Linux (1991)
• Developed by Linus Torvalds as a
free Unix variant.
• C language based
• Unix like operating system
• Major share in servers

9. Windows (1995)
• Developed by Microsoft.
• Windows 95 was the first
Microsoft Operating system to
have a graphical user interface
built into it.
• Varity of platforms

10. Now we know
what will be best for our customer.
So,we give him his requirement.
But he got a problem…..

11. THANK YOU
FOR
YOUR PATIENCE