File Alteration Monitor: provides an API which applications can use to be notified when specific files or directories are changed
Write device drivers in C/C++ for Linux and Windows 95/98/NT.
LSB-FHS Verification Suite
tests the filesystem hierarchy aspects of the Linux Standard Base, as defined in the FHS 2.0 specification.
an implementation of IEEE Std 2003.1 Test Methods for POSIX.1