Terminal Application

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Hi...
I would like to ask maybe someone knows any good terminal applications on kobo reader ?
I want to use it to be able to write and run scripts directly on Kobo to be able to access serial port and setup some network equipment....
For now I found only one terminal app that is in Kobo Start Menu 0.8 and is called kbterminal.sh but it isn't really comfortable to use it, keyboard is to big and you need to close it to see output, but it is functioning...
but in vlasovsoft launcher there is good program Notepad, if there would be terminal program that looks like it only without bottom shortcuts and tab it would be really cool. how hard is to make this type of program ?
Thanks.