Dynamic device management with Udev, HAL, and D-Bus
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Author(s): ERIC AMBERG
Udev, HAL, and D-Bus provide automated hardware configuration, even if you plug in on the fly. We'll help you easily access new devices.
In the old days, Linux pioneers were expected to install new hardware manually, but Linux now offers automatic hardware detection at system boot time, as well as on-the-fly configuration of pluggable devices – whether the device is a USB stick, a digital camera, or a Bluetooth phone. The Udev subsystem takes the pain out of accessing new devices, and a pair of components known as the Hardware Abstraction Layer (HAL) and D-Bus provide an interface from the hardware to desktop applications.
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