hal: HAL (Hardware Abstraction Layer)
hal: 
hal: HAL provides an  easy-to-use  API  through  D-BUS  which  is  an IPC
hal: framework   that,  among  other   things,  provides  a   system-wide
hal: message-bus that allows applications to talk to one another.
hal: Specifically, D-BUS provides asynchronous notification such that HAL
hal: can notify other peers on the message-bus when devices are added and
hal: removed as well as when properties on a device are changing.
hal:                     http://www.freedesktop.org
hal:                            WWW.SLACKY.IT
hal: