## Display Device Driver Reference for OS/2

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### Updating System Configuration Files

After display driver-related files are copied to the user's system, the display-driver developer must update the different system configuration files to complete the installation. Frequently, the CONFIG.SYS and OS2.INI files must be updated to complete Presentation Manager display-driver installation, and the SYSTEM.INI and WIN.INI files must be updated to complete WIN-OS/2 display-driver installation. Depending on the driver being installed, other configuration files might also need updating.