Summary
It is difficult to provide an introductory chapter on file-based concepts without digging into too much detail. The chapter provided many of the basic functions available to view files, return their properties and change these properties.
To better understand how the main UNIX commands are implemented and how they interact with the filesystem, the GNU fileutils package provides excellent documentation, which can be found online at:
www.gnu.org/manual/fileutils/html_mono/fileutils.html
and the source for these utilities can be found at:
ftp://alpha.gnu.org/gnu/fetish
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