Udev
udev device accessDetermine the installed version via the command-line interface:
udevadm --version
http://distro.ibiblio.org/pub/linux/distributions/quirky/pet_packages-quirky/
http://distro.ibiblio.org/pub/linux/distributions/quirky/pet_packages-wary5/udev-136-w5.pet
Dependencies: binutils, bzip2, coreutils, grep, sed, tar
# udevadm --help Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS] info query sysfs or the udev database trigger request events from the kernel settle wait for the event queue to finish control control the udev daemon monitor listen to kernel and udev events test simulation run
http://www.t2-project.org/packages/udev.html
http://www.linuxfromscratch.org/blfs/view/svn/general/udev.html
http://www.kernel.org/pub/linux/utils/kernel/hotplug/
Udev source code
WikiPedia:Udev