A Unix-like operating system that is derived from Berkeley Software Distribution (BSD), notable for having the largest following in the BSD community.
"FreeBSD is a popular Unix-like operating system derived from BSD that boasts the largest community among its family members."
The name FreeBSD combines the word "free," as in open source, with "BSD," referring to the Berkeley Software Distribution family of operating systems. It was created to distinguish this specific version from other projects while highlighting its freedom and lineage.