mkfifo(2) - phpMan

mkfifo (1)           - make FIFOs (named pipes)
mkfifo (1p)          - make FIFO special files
mkfifo (3)           - make a FIFO special file (a named pipe)
mkfifo (3p)          - make a FIFO special file relative to directory file de...
mkfifoat (3)         - make a FIFO special file (a named pipe)