Crosos is a SubLinux Distribution
Crosos is a open-source OS. It is based on the Linux Kernel and mostly uses the same code in Ubuntu (but it has been derived from Debian)
sechk - SEcurity CHecKer It is a powerful and useful tool to check if you got exploited and rooted, it will use checksum comparation via md5 sum, it exchanges file lists and csums from the sechk server. It\'s gonna work with all posixes and unixes.