freeoperatingsystem
nounUK /ˌfriː ˈɒpəreɪtɪŋ ˈsɪstəm/
US /ˌfriː ˈɑːpəreɪtɪŋ ˈsɪstəm/
A free operating system is a computer program that runs your computer and costs nothing to use.
My dad put a free operating system on our old laptop so we could keep using it.
OTHER MEANINGS
2. An operating system whose source code anyone can look at, change, and share.
She learned how a free operating system is built by reading its code.
3. An operating system you can install without paying a fee.
The school saved money by using a free operating system on all its computers.
4. Software that respects your freedom to run, study, and improve it.
He explained that a free operating system is about freedom, not just price.