The only operating system you can "buy" is Windows. For the most part, macOS is only distributed with their machines and on upgrade it will download the image onto the existing system prior to upgrading.
As far as Linux or BSD-based distributions, they're mostly free-of-charge and some do offer paid support.
Some OEMs do ship their computers with Linux preinstalled.
Not explicitly. If you already own a legal copy of a commercial operating system, you can use it in VirtualPC. You can also use free operating systems like Linux or FreeBSD.
Virtual operating system
When you network operating systems you will have the benefit of both operating systems. You have to ensure both systems are compatible before networking them.
Yes, you can buy operating systems from companies like Microsoft and Apple on CD/DVD or as a dowloadable file or package to be placed on a flashdrive. You can also get one or more systems (legally) for free, like Ubuntu.
Operating systems are not in applications. Applications are installed on Operating Systems.
several types of operating systems are there.
what are the disadvantages of operating systems effects of information technology
Single-user multitask operating systems are also known as network operating systems
Two operating systems are; Windows, and Linux.
Microsoftprokey is the best website to buy operating systems software online. They offer a wide variety of products and services at great prices. Their customer service is top notch and they offer a money-back guarantee if you are not satisfied with your purchase.
No they don't.
complete operating system that works on a desktop computers