FreeBSD
FreeBSD is a free and open-source Unix-like operating system derived from the Berkeley Software Distribution (BSD), known for its stability, security, and advanced networking capabilities. It is widely used in servers, embedded systems, and as a base for other operating systems like macOS and PlayStation. FreeBSD administration involves managing system installation, configuration, security, networking, and software packages using its robust tools and documentation.
Developers should learn FreeBSD administration for deploying high-performance servers, network appliances, or embedded systems where reliability and security are critical, such as in web hosting, firewalls, or storage solutions. It is also valuable for understanding Unix fundamentals, contributing to open-source projects, or working in environments that use BSD-derived systems, including certain cloud platforms and proprietary devices.