00:01
All right, this question asks us what is an example of an open source operating system? so it asks if unix is an open source operating system, linux, windows, or both unix and linux.
00:23
So what is an open source operating system? an open source operating system is any operating system that the public can access and provide assistance and commits to.
00:38
So public access to the source code of the operating system.
00:49
So the difference here is unix, in fact, when unix first started, it was not an open source operating system.
01:00
The source code was licensable, so which means the first owner of unix was at &t, right? so that means at &t would sell licenses to certain academia such as universities, or even other companies that could use unixsource code and have access to it.
01:20
But unix itself is, unix itself is not open source.
01:30
So, but there's varieties of unix that are open source.
01:35
However, linux is in fact open source.
01:38
So unix is not an open source.
01:41
But linux is indeed open source.
01:49
Linux has a wide variety of flavors and different operating systems.
01:59
So you have ubuntu, which is a really popular one...