Linux Journal: Filesystem Labeling in SELinux

“With NSA Security-Enhanced Linux now integrated into the 2.6
kernel and making its way into distributions, an increasing number
of people likely will be installing SELinux and experimenting with
it. Given this increasing user base, this article takes a closer
look at filesystem labeling under SELinux. This is an
intermediate-level article. Although a brief review of some SELinux
concepts is provided in the next section, pointers to more detailed
information can be found in the on-line Resources section. In
particular, Faye Coker’s introductory article is recommended as a
starting point…”