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In multiuser mode, each function key on the SCO system console corresponds to a different graphical environment. To achieve this ``virtual terminal'' capacity, each function key is associated with a different device driver. For example, <F1> is associated with /dev/vt01, <F2> is associated with /dev/vt02, <F3> is associated with /dev/vt03, and so on up to <F12>. Each function key controls a different UNIX login session, so you can configure each session as if it were a different graphical system. In single-user mode, because access is restricted to a single user, all of the function keys are controlled by the console device driver and only one login session using console is available.
Essentially, video configuration consists of creating links between a graphics adapter, a monitor and resolution (for example, Orchid Fahrenheit 1280 Plus, and MAG MX17F at 1024x768), and a function key. In most cases, you will use the same configuration for every function key. However, there are situations when you might want to have different graphical environments attached to different function keys. For example, you might want to use fewer colors at a higher resolution, or more colors at a lower resolution. Or, you might have more than one graphics adapter and monitor attached to your system.
For more information about virtual terminals, see the keyboard(7), vtlmgr(1), and newvt(1) manual pages.
See also: