Jails
FreeBSD Jails is an operating-system-level virtualization mechanism that allows a FreeBSD system administrator to partition a computer system into several independent, miniature systems called "jails." Each jail is a secure and isolated environment with its own set of processes, users, files,…
Key facts
- First appeared
- 2000
- Category
- technology
- Problem solved
- FreeBSD Jails addressed the critical need for robust, lightweight, and secure process and resource isolation on a single operating system instance. It allowed administrators to host multiple distinct services or user environments on one physical server, preventing processes in one partition from interfering with or compromising others, an improvement over the more limited `chroot` mechanism.
- Platforms
- FreeBSD
Related technologies
Notable users
- Internet Service Providers (ISPs) utilizing FreeBSD
- Security-conscious organizations deploying multiple services
- Companies with FreeBSD-based infrastructure requiring application isolation
- Hosting providers (e.g., iXsystems, formerly R&D Associates)