ISO_8859-11 (man7)
iso_8859-11 − ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
iso_8859-11 − ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
futex − fast user-space locking
display-directx : DirectX (WIN32)
aio − POSIX asynchronous I/O overview
groff_diff − differences between GNU troff and classical troff
crypto-policies − system−wide crypto policies overview
udp − User Datagram Protocol for IPv4
ipc_namespaces − overview of Linux IPC namespaces
kerberos − Overview of using Kerberos
display-vgl : FreeBSD/i386 console display