Editing Security-Enhanced Linux (section)

==Similar systems and enhancements==
{{See also|Samsung Knox}}

Isolation of processes can also be accomplished by mechanisms such as [[Operating system-level virtualization|virtualization]]; the [[OLPC]] project, for example, in its first implementation<ref>{{cite web|url=http://wiki.laptop.org/go/Rainbow|title=Rainbow|work=laptop.org|access-date=2 March 2009|archive-date=25 December 2020|archive-url=https://web.archive.org/web/20201225051029/http://wiki.laptop.org/go/Rainbow|url-status=live}}</ref> [[Sandbox (computer security)|sandboxed]] individual applications in lightweight [[Vserver]]s. Also, the [[NSA]] has adopted some of the SELinux concepts in Security-Enhanced [[Android (operating system)|Android]].<ref>{{cite web |title=SELinux Related Work |work=NSA.gov |url=https://www.nsa.gov/what-we-do/research/selinux/related-work/ |access-date=2016-08-23 |archive-date=2018-02-20 |archive-url=https://web.archive.org/web/20180220212206/https://www.nsa.gov/what-we-do/research/selinux/related-work/ |url-status=dead }}</ref>

[[General Dynamics]] builds and distributes PitBull Trusted Operating System,<ref>{{cite web|url=https://gdmissionsystems.com/products/platform-security/pitbull-trusted-operating-system|title=PitBull Trusted Operating System|author=General Dynamics}}</ref> a [[multilevel security]] (MLS) enhancement for [[Red Hat Enterprise Linux]].

Multi-Category Security (MCS) is an enhancement to SELinux for [[Red Hat Enterprise Linux]] that allows users to label files with categories, in order to further restrict access through discretionary access control and type enforcement. Categories provide additional compartments within sensitivity levels used by [[multilevel security]] (MLS).<ref>{{cite web|url=https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/deployment_guide/sec-mcs-ov|title=49.4. Multi-Category Security (MCS)|author=Red Hat, Inc.}}</ref>