as english is not my language so i can not understand all functions.i am using audacity1.2.6 windows and i want to know is it possible to record while listening on internet?
thanks
If you mean that you want to record sounds that are playing in an internet browser, then yes, it is usually possible, though Vista and Macs make it a bit more difficult.
See here: http://audacityteam.org/wiki/index.php?title=Recording_audio_playing_on_the_computer