I/O Options and Subcase Information Entry The SCREEN command can be used in the I/O Options section to control the output of model, analysis, and optimization information to the Unix or DOS shell.


SCREEN = option


Argument Options Description
option <OUT, LOG, NONE>
OUT, blank
The .out file is echoed to the screen.
A log of the optimization process is echoed to the screen.
NONE (Default)
No information is echoed to the screen.


  1. If the option LOG is chosen, the value of the objective function and the maximum constraint violation at every iteration, as well as indication of satisfied convergence ratios, are echoed to the screen.