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2.1 Disk Structure and Partitions
2.1.1 Disk Structure
A hard disk is physically composed of a series of flat, magnetically coated platters stacked on a spindle. The spindle turns while the heads move between the platters, in tandem, radially reading/writing data onto the platters.
FIGURE 2.1 Physical Disk Structure 
FIGURE 2.2 Disk Platter
Unix System Administration - 8 AUG 1996
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