Quration AIQ

terminal

To target many files at once — say, every JPG in a folder — you write *.jpg.

What does the asterisk (*) do?

It's a wildcard meaning 'any characters, any length'
* matches any string, so *.jpg means 'every file ending in .jpg.' Powerful — which is exactly why you should be extra careful combining wildcards with rm (delete).
▶ Quration AIQ

terminal

Which symbol does that?Which one is it?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?

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