Operating Systems
From CLIO
Overview
Open Source License
There are many different free and open source operating systems that are available for use without the purchase of a software license.
Proprietary License
Microsoft Windows
A family of proprietary operating systems, developed and marketed by Microsoft that require the purchase of a software license for use.
Apple MacOS
A family of proprietary operating systems, developed and marketed by Apple that require the purchase of a software license for use.