How many OSes does your computer have?

There are so many operating systems in the world. Apart from the famous ones, like Windows, MacOS, Ubuntu, Debian, Mageia or Linux Mint, there are hundreds of smaller and less well-known.

If there are many operating systems, there is a good chance that your computer has several of them installed.

How many?

Let's vote for the number of operating systems you have on your computer. If you have multiple computers, please vote for the one you use most often.


Poll will be open for 1 month until the 1st of October 2015 with results announced on the 6th of October.