ow — Dallas
    Semiconductor 1-Wire bus
The ow module implements the Dallas
    Semiconductor 1-Wire bus. It attaches to the
    owc(4)
    driver, which implements the low-level signaling of the 1-Wire bus.
1-Wire is a registered trademark of Maxim Integrated Products,
    Inc.
The ow driver first appeared in
    FreeBSD 11.0.
The ow device driver and this manual page
    were written by Warner Losh.