Clean Room
an environment that has a controlled level of contamination, such as from dust, microbes, and other particles
Consistency Checking
a technique for file system repair that involves scanning a disk's logical structure and ensuring that it is consistent with its specification
grep
a popular Linux/UNIX search tool
Inode
a data structure in the file system that stores all the infromation about a file except its name and its actual data
Logical Damage
damage to how the data is stored, for example file system corruption
Physical Damage
damage to actual hard drive parts; for example, a damaged platter or spindle
Test System
a functional system compatible with the hard drive from which someone is trying to recover data
Zero-Knowledge Analysis
a technique for file system repair that involves recovering data from a damaged partition with limited knowledge of the file system