Probably the Xerox one for their experimental prototype Alto computer workstation. That inspired Jobs and Wozniac of Apple to make the one on the Lisa, then the Macintosh.
Windows 1.0
Microsoft
commonly lindo is not operating system ,window is operating system developed by microsoft...
Yes, each version of "Windows" is an operating system.
window operating system
1985
no! Window vista is still a new operating system.
Windows
No. Windows is an Operating System.
Windows, Windows XP, Windows Vista are example of operating System.
Windows 95 was the "first Microsoft Windows operating system" released on August 24, 1995. The "first Microsoft Operating system" was DOS 1.0. Windows 1.0 up to 3.1 were all operating environments. That is software that acts as an operating system, but need an operating system to boot in this case DOS. The answer to your very specific question is Window 95 that was released on August 24, 1995.P.S. Windows 95 was also the first Windows to utilize Plug and Play. (PnP)
it helps to operate the application software and the system software of hte computer
The early operating system now is window 8....now lunched to be available soon enough