Red Hat Linux 7.2: The Official Red Hat Linux Alpha Installation Guide
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# Mouse Configuration

Choose the correct mouse type for your system. If you cannot find an exact match, choose a mouse type that you are sure is compatible with your system (see Figure 3-3).

To determine your mouse's interface, follow the mouse cable back to where it plugs into your system. If the connector at the end of the mouse cable plugs into a rectangular connector, you have a serial mouse; if the connector is round, you have a PS/2 mouse. If you are installing Red Hat Linux on a laptop computer, in most cases the pointing device will be PS/2 compatible.

If you cannot find a mouse that you are sure is compatible with your system, select one of the Generic entries, based on your mouse's number of buttons, and its interface.

Figure 3-3. Mouse Configuration

If you have a PS/2 or a bus mouse, you do not need to pick a port and device. If you have a serial mouse, you should choose the correct port and device that your serial mouse is on.

The Emulate 3 Buttons checkbox allows you to use a two-button mouse as if it had three buttons. In general, the X Window System is easier to use with a three-button mouse. If you select this checkbox, you can emulate a third, "middle" button by pressing both mouse buttons simultaneously.

| Tip
| To change your mouse configuration after you have completed the installation of Red Hat Linux, become root; then use the `/usr/sbin/mouseconfig` command from a shell prompt. To configure your mouse to work as a left-handed mouse, reset the order of the mouse buttons. To do this, after you have booted your Red Hat Linux system, type `gpm -B 321` at the shell prompt.

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