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which gives you direct access to the computer. It's where you tell software to perform complicated or specific hardware actions that GUIs can't handle. Command lines are available on many operating systems―proprietary and open source. But they're usually associated with Linux。
and desktop icons. If you can point at it and click on it with a mouse，。
like the menus， When you use an OS， because the most common user actions are represented as part of the GUI. More complex tasks typically employ the command line， because together command lines and open source software give users unrestricted access to their computers. ， windows， you mainly give the computer commands in 1 of 2 ways: using a graphical user interface (GUI) or the command line (CLI). A GUI refers to everything you can see and interact with when you boot up your OS， it's probably part of the GUI. This is the most straightforward way to use an OS。