Start Screen services
screen [-c filename][-u username]
QNX Neutrino
Use configuration file for Screen; on your target, the configuration file is located under: /usr/lib/graphics/target/graphics.conf where target is the platform of your target.
When this option isn't provided, Screen uses the graphics.conf that's located in your $GRAPHICS_ROOT. If $GRAPHICS_ROOT isn't defined, then Screen starts in a default mode.
Screen's default mode is equivalent to starting screen with an empty configuration file; Screen runs, but with minimal capabilities (e.g., no displays, drivers, or inputs are supported).
Run the screen binary from command-line to start Screen services.
To run screen on your target:
screen -c /usr/lib/graphics/iMX6/graphics.conf
screen -u joe