Many thanks for such 'dedication' for helping beginners.

The instructions you gave at the end of your previous post are much clearer, in fact i just have to create a text file, as i would do for creating a batch for windows.

Concerning xterm, i have the memory of having downloaded it, but it was surely when i was using os2007 some months ago; now i'm using os2008, so surely as you said xterm came with it.

I realise that there is great potential in being able to control the tablet from a command line; but I won't abuse from your time, if i want to investigate more deeply the subject, i will have to spend some time in learning unix basics.

And for my initial question (just play a mp3 then 'sleep'), problem is solved, as you said the tablet will automatically enter in quasi sleep mode when it has nothing to do. So no need to shut down. I feel a bit shameful to discover that only now, as i own my tablet since several months.