Quration AIQ

terminal

A crown jewel of Unix philosophy: feeding one command's output into the next, assembling small tools into big workflows.

What's this feature, written with the vertical bar (|)?

The pipe
Pipes connect commands like plumbing. Example: history | grep ssh means 'show me only the lines of my command history containing ssh.' Small tools, composed — the Unix way.
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terminal

On Linux and Mac, which magic word do you prefix to borrow top-level power — also famous from the 'make me a sandwich' comic meme?Which encrypted remote-access tool lets you open a terminal on a server on the other side of the planet and operate it directly?What is it?Why do experts warn against the 'chmod 777' fix that internet guides love?Used with a process number, it is?Type a few letters, then press which key to autocomplete the rest?Which command opens the official manual?What's the simplest way?What does the asterisk (*) do?Which symbol does that?Which one is it?What does a program like brew (Homebrew) actually do?

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