Using Window Systems

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Using Window Systems

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All versions of Unix work with alphanumeric terminals that handle a single session in a single screen, such as those described in Chapter 1. On most modern Unix versions, you can also use a window system. A window system is software that lets a single screen handle many sessions at once.* Window systems use a mouse or another device (such as a trackball) to move a pointer acr oss the screen. The pointer can be used to select and move parts of the screen, copy and paste text, work with menus of commands, and more. If you’ve used a Macintosh or Microsoft Windows, among others, you’ve used a...

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