... unix.^3.1

Gnu stands for Gnu's Not Unix, but I say it is.

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... file.^4.1

The link count is intimately related to the structure of the unix file system. There's no need to worry about it for now.

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... myself.^5.1

I infer from the book's title that Eric Raymond would agree with me that ``unix'' is a functional description of a class of operating systems, not a particular implementation.

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... immediately.^6.1

``Immediately'' is a relative term. Lag might prevent com from reacting instantly, but it will react without you pressing any other keys.

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...com.^6.2

Some people keep track of the longest time a new user has required to exit from com. I have heard that the record is over 23 minutes.

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... networking^8.1

Lookup socket, connect, listen, & accept in the man.

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