A large font software interface running under UNIX1 is of great assistance to the severely visually impaired in the interactive use of computers. The interface, which functions as a virtual terminal as far as other processes are concerned, displays all characters (both user and system generated) at user-selectable degrees of magnification, yet is compatible with any standard CRT/keyboard terminal.
A large font virtual terminal interface: a software prosthesis for the visually impaired
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