Unix: Under the spell of magic numbers

Written By
SH
Sandra Henry-Stocker
Feb 26, 2013

If you’ve ever wondered how Unix systems identify files, you might be surprised to learn that file names really aren’t an important factor. Unix systems reach into files looking for special codes called “magic numbers” to figure out what your files really are. They also examine other file content to pick out additional details.

SH

Sandra Henry-Stocker

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