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Linux.com: CLI Magic: The Five Ws

Jul 25, 2006, 05:15 (0 Talkback[s])
(Other stories by Nathan Willis)

"The command line can tell you a lot, if you bother to ask it. Most of us learned the five Ws as a research rubric: who? what? where? when? why? (and usually, how?). By sheer coincidence, the five Ws can also illuminate important characteristics on your Linux system, its users, processes, and commands.

"Who?

"There are four commands that ask some form of the question 'who.' The whois command queries the whois directory service (RFC 3912), so you can look up public info for a registered domain name. Nowadays, unfortunately, much of that information is inaccurate or simply reflects registrar information..."

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