It depends what you mean. You can open as many terminals as you like from the menu if you're running a graphical desktop environment. If not then you can probably use different virtual terminals by pressing <Ctrl>+<Alt>+<F1>, <Ctrl>+<Alt>+<F2>, <Ctrl>+<Alt>+<F3> and so on with the graphical environment likely to be on <Ctrl>+<Alt>+<F7>.
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