/ Linux (Owl), a security-enhanced operating system designed for servers. Openwall Patches and security extensions have been included into many major Linux Distribution s.
/Linux draws source code and design concepts from numerous sources, most importantly to the project is its usage of the Linux Kernel and parts of the GNU Userland , others include the BSD s, such as OpenBSD for its OpenSSH suite and the inspiration behind its own Blowfish -based Crypt for password hashing, compatible with the OpenBSD implementation.