I/O Software Layers (see Fig. 1)

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I/O Software Layers (see Fig. 1)

**Figure 1:** Layers of the I/O Software System.
$\includegraphics[scale=0.3]{figures/5-10.ps}$

Subsections

Interrupt Handlers
Device Drivers (see Fig. 2)
Device Independent I/O Software(see Fig. 3)
User Level Software

2004-05-09