At a young age, perhaps start with https://en.wikipedia.org/wiki/A_Commentary_on_the_UNIX_Operating_System https://en.wikipedia.org/wiki/A_Commentary_on_the_UNI

At a young age, perhaps start with https://en.wikipedia.org/wiki/A_Commentary_on_the_UNIX_Operating_System https://en.wikipedia.org/wiki/A_Commentary_on_the_UNIX_Opera....