December 1998
Beginner
512 pages
12h 13m
English
This third hour focuses on the UNIX hierarchical file system. You learn about how the system is organized, how it differs from the Macintosh and DOS hierarchical file systems, the difference between “relative” and “absolute” filenames, and what the mysterious “.” and “..” directories are. You also learn about the env, pwd, and cd commands and the HOME and PATH environment variables.
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