Select this to allow redirection of standard input, standard output and standard error from the command line of your character
user interface application.
Equivalent switch:
S5
ANSI input mode
Select this to use the ANSI character set when inputting keystrokes. This enables characters such as the Euro symbol to be
input and displayed.
Equivalent tunable:
ansi_input_mode
Strip trailing spaces
Select this to hide any trailing spaces in DISPLAY ... UPON CONSOLE statements.