Operating systems with a common ancestors at Bell Labs
Unix operating systems are a family of software with a common philosophical ancestor. They evolved from the Bell Labs original project. The variety of Unix-like or make it difficult to point to a champion of the contemporary UNIX, but the most popular kernel is Linux.
I try to have the cleanest system that I can manage. So most of non-essential packages are uninstalled from the host OS and I try to use virtual machines as much as I can. Web browsers are an exception to this rule.