Probably the IBM 7090 in 1958 running IBSYS.
IBSYS was originally developed on the IBM 709, but when it was introduced in 1956 of course it had no OS at all. Programs were all loaded and run manually.
I have a Mac OS X but I know Mac OS is a computer made by the brand/company, Apple.
the first OS was made by Microsoft called MS-DOS, released in July of 1981.
Linux Ubuntu and Apple Mac OS
It was created by these people at Xerox Corp. Thye created the first computer, Apple was the first commercial computer maker. But yea, they made this basic OS to just store files, read them, edit them.
Macintosh OS X Tiger is an OS (Operating System) made by Apple. Mac OS X Tiger has nothing to do with tigers. The purpose of an OS is to run programmes on a computer.
Apple's Mac OS X can legally only be used on a computer made by Apple.
A computer running Mac OS will be an Apple Macintosh computer.
Computer Os = "Computer Operating System" It contains files that are used to run a computer......
Rick Skrenta is founder OS computer virus.
legally, only apple made computers, but there are "hackintoshes", pcs that use MAC OS X
The OS is stored in the Hard Disk of the computer.
Apple computers are made by Apple. Apple write their own operating system called Mac OS X to use on their computers. Legally you can only run Mac OS X on a computer made by Apple. Other makes of computer cannot be turned into Apple computers.