МСВС — Linux Distro based on Red Hat Enterprise Linux 5 and used in Russian Army. Desktop Environtment – Elx with some KDE 3 applications. МСВС also use RPM package manager and have a lot of Information security certificates. Supported Platforms – Intel x86_64, SPARC (Elbrus-90nm), IBM System/390 and MIPS. Software details: Mandatory Access Control, Access Control List(ACL), Role Based Access Control(RBAC).