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I use the Linux RH 7.3 version. When I try to push the ALT- F4 key to close, say, the Explorer this action doesn't correctly work. If to use the CNTR+F4 all works fine. Besides all is OK for other platforms (Solaris & Windows).
Alt+F4 == close a window is defined by the window manager, outside of the IDE/JDK. The window manager you use does not have this key binding.
Absolutely agree. Thanks for your clarification. Sorry for misunderstanding.
closing.