Quration AIQ

terminal

When a server misbehaves, one of the first things engineers do is watch the log file live.

Which command follows a file's tail and shows each new line as it arrives?

tail -f
tail shows a file's end, and -f (follow) streams new lines in real time. Watching the log from its tail is the opening move of incident response.
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terminal

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?What's this approach called, in contrast to the icon-clicking GUI?What is it?Which terminal command — probably the most-typed two letters in computing history — answers 'what's in this folder?'What does it stand for?Which command prints your current location's full path?What is it?

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