Mac OS is the first operating system developed in the year 1955
The second name of Mac OS X v10.4.5 is Mac OS X v10.4 Intel.Mac OS X 10.4 was known as Mac OS X Tiger.
Android OS for mobile.
first in first out
The first Mac OS X 10.0 was called "Cheetah" it was released in 2001.
Oscar can come from two different sources: 1. It can be a Germanic name Ansgar, or Osgar, or Norse Asgeirr, meaning “God Spear,” from “os” (god) and “gar” (spear). -or- 2. It can be from Irish Gaelic and mean “Dear Friend” from “os” (dear) and “cara” (friend)
Mac OS Leopard
the first OS was made by Microsoft called MS-DOS, released in July of 1981.
WHAT? OS stands for operating systym. Windows 7 is the newest one
Os
XP
windows 95.
OS X Leopard Which stands for Operating System 10.