.Use Right Ctrl key as Enter(execute) key.
#ifdef UNX
#ifdef LNX
Change keymap by xmodmap command.
Create file,for ex,xmodmap.rctl which contains following line.
keycode 109 = Return
Enter the command "xmodmap xmodmap.rctl".
Then XFree86 generate same code as "Enter"(Return) key for R-Ctrl key.
This status influence all application. Use Left-Ctrl for modifier key such as Ctrl+....
Confirm 109 as keycode number by "xmodmap -km".
#endif
#else
/Yr option on command line (xe /yr), Chapter-(7)
or specify R-Ctl_ENTER = 1 on .INI file Chapter-(6)
#endif