Article · Wikipedia archive · Last revised Jun 14, 2026

Immunix

Immunix is a discontinued commercial operating system that provided host-based application security. The last release of Immunix's Linux distribution was version 7.3 on November 27, 2003. Immunix, Inc. was the creator of AppArmor, an application security system.

Last revised
Jun 14, 2026
Read time
≈ 1 min
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141 w
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2
Source
Immunix
DeveloperImmunix, Inc.
OS familyLinux (Unix-like)
Latest release7.3 / November 27, 2003 (2003-11-27)
Kernel typeMonolithic kernel (Linux)
Official websiteimmunix.com at the Wayback Machine (archived 2004-02-25)

Immunix is a discontinued commercial operating system that provided host-based application security. The last release of Immunix's Linux distribution was version 7.3 on November 27, 2003. Immunix, Inc. was the creator of AppArmor, an application security system.

On May 10, 2005, Novell acquired Immunix, Inc., a long-time partner with Novell.1 AppArmor was one of Novell's primary interests, and as a result, it was adopted by the company and renamed Novell AppArmor powered by Immunix. In September 2007, Novell laid off the AppArmor team.2

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