The MultiAdmin security framework kernel module provides a means to have multiple root users with unique UIDs. This bypasses collation order problems with NSCD, allows you to have files with unique owners, and allows you to track the quota usage for every real user. It also implements a sub-admin, a partially restricted root user who has full read-only access to most subsystems, but write rights only to a limited subset, for example writing to files or killing processes only of certain users.
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