Illumos

Illumos is an open-source operating system forked from OpenSolaris, offering a Unix-based platform for building and deploying scalable, secure, and reliable systems. As a community-driven project, Illumos provides a versatile foundation for developers and organizations to create custom solutions, leveraging its robust features, including ZFS file system, DTrace, and Zones, making it a popular choice for cloud infrastructure, storage, and networking applications.