	AIX 5.3
	Apple Darwin 9 and Mac OS X 10.[56]
	FreeBSD 4.9 and 6.4 for x86-based systems
	FreeBSD 8.[02] and 9.0 for AMD64-based systems
	Linux 2.1.72 and above for x86-based systems
	Solaris 9, 10 and 11