When we think of the macOS user interface, we think of the graphical UI—pointing and clicking icons, with a cursor, menus, windows, etc. But there’s another UI built into macOS: the command-line interface, which involves typing commands like the days of old. It can be a more efficient way of using your Mac—instead of pointing, clicking, dragging, and opening and closing windows, you can type in commands that provide more direct access.
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