Linux is an open-source kernel and usually comes bundled with free and open-source software; however, proprietary software for Linux (software that isn’t free and open-source) does exist and is available to end-users.

Is Linux open source or proprietary?

The most well-known example of open source software is the Linux operating system, but there are open source software products available for every conceivable purpose.

Is Ubuntu an example of proprietary software?

Note, I said “new.” Ubuntu has actually included proprietary software in the form of hardware drivers since April 2007. … Nevertheless, when it came to end-user software, Ubuntu has generally held the line against including proprietary software in their distribution.