On SELinux :A good introduction from linuxsecurity.com

SELinux or Security Enabled Linux.
Just did attr -l
to find an attribute selinux.
Went on to find about SELinux to get "Hacks from Pax"


Article 1: http://www.linuxsecurity.com/content/view/120567/49/
Article 2: http://www.linuxsecurity.com/content/view/120622/49/
Article 3: http://www.linuxsecurity.com/content/view/120700
Article 4: http://www.linuxsecurity.com/content/view/120837/169/
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Tip:
To list inode of a file: ls -i OR stat |grep inode
To find file from an inode: find -inum