ibm
it was made in 1956
Apple made first use of the sidebar in its computing operating system called "Mac OS". The original version of this operating system was introduced in 1984 and was termed "System".
the first computer to use operating system was mark1
What operating system was coined the operating system of the century?
D.O.S (Disk Operating System)
Microsoft 95 was the first operating system by Microsoft
microsoft disk operating system
operating system
The 6 operating system is a computer operating system that was released in 1985. It was developed by Microsoft and was the first operating system to be released by the company. The 6 operating system is based on the MS-DOS operating system and was the first version of Windows to be released. The 6 operating system was succeeded by the Windows 3.1 operating system.
disk operating system
The first operating system was developed in the 1950s.
Apples first operating system was Apple DOS 3.1 for the Apple II in 1978. Versions 1 and 2 were internal testing versions and were not made available to the public. They developed Apple SOS (Sophisticated Operating System) for the Apple III in 1980. Parts of the SOS were used in the Lisa's operating system which in turn would lead to the Macintosh Operating System. The first operating system for the Macintosh came out in 1984, with the release of the first Macintosh. This was known as "System 1.0". The current series of system software, Mac OS X, was released in 1999 for servers, and 2001 for desktops.