IBM
= =
complete operating system that works on a desktop computers
There are multiple versions of DOS that have been available. * MS-DOS was manufactured by Microsoft. * PC-DOS was manufactured by IBM. * DR-DOS was manufactured by Digital Research Inc. There are other versions of DOS available, but the three listed were the most widely distributed.
The programs that give basic operating directions to computers are called operating systems. The most popular operating systems in use are DOS, Windows, Mac OS, and Linux.
As of March 2014, Samsung's new operating system is called Tizen.
Yes. This is called "dual-booting."
Kernel memory
Bill Gates was the founder of Microsoft. It began as a small software company but worked with IBM at the beginning of the 1980s to develop the operating system for the IBM PC. The operating system was called "PC DOS" when supplied by IBM but Microsoft also marketed a completely compatible version known as "MS DOS". This was the operating system that was used on almost every IBM PC clone and so triggered the growth of Microsoft into the global market leader for operating systems.
The Operating System found on the iPhone is called iOS which stands for i Operating Systems. The latest version is iOS 5.0.1
The Lotus Organizer was originally developed by a small British company, called 'Threadz', however afterwards the Lotus Organizer was attained by the Lotus Development Corporation. The Lotus Organizer runs on Windows operating systems only.
operating systems
There is a company called Enviro-safe that makes a replacement called es-22a. I cannot vouch for it's effectiveness since I haven't tried it. It is also marketed by different companies and can be found on Ebay. It is advertised as compatible with R-22 and R-22 systems, including oils, compressors, etc.