Quration AIQ

terminal

The most notorious command combination in the terminal — typed against the top-level folder by mistake, it can erase the whole system.

Which one is it?

rm -rf /
rm deletes, -r recurses into folders, -f forces without asking — and / is the entire system. There is no trash can in the terminal, which is also why AI-suggested delete commands deserve a human read before running.
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terminal

What does a program like brew (Homebrew) actually do?What's the actual way to quit the terminal editor vim without saving?'Run the backup script at 3 a.m. every day' — which venerable Linux scheduler has handled jobs like this for decades?Which environment variable holds the list of folders the computer searches for commands?What's this feature called?Which command follows a file's tail and shows each new line as it arrives?Which command is the terminal's task manager, showing processes with live CPU and memory usage?What is it short for?The 'Hello World' of shell scripting, and the command you reach for whenever you need to check a variable's value?Where does 'cd ~' take you?What's the fundamental key combination to interrupt it?What's this file, saved with a .sh extension, called?

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