Better command history browsing in Terminal
Today’s hint is for those who spend a fair bit of time in Terminal. If you do, you’re probably aware that Terminal tracks your command history—that is, it keeps a record of the commands you’ve used, and you can scroll through those historical commands. Press the Up Arrow key from the command prompt, and you’ll see the most-recently used command; each additional press moves further back through history, and the Down Arrow key moves forward in the history file.
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