Four Completely Useless Linux Commands

[ Thanks to An Anonymous Reader for this link. ]

"Second, you’ll learn the internals of a particular feature (for example, configuring NIS) when you configure it using command line, instead of configuring it using UI.

"While using command line intensively, following are the 4 Linux commands that I find practically useless. If you think they are useful, please explain a practical scenario under which you’ll use these commands with examples."

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