help editinf files with audacity

[Linux for blind general discussion]

Hi all, Mark Peveto here.  Looking for some help with audacity.  I've heard folks sware up and down that it's accessible in Linux, but I sure can't
figure it out.  I was trying to edit an mp3 file.  I wanted to remove maybe the first 5 or 10 seconds of one.  I hit left bracket to set my left
boundary, and right bracket to set the right boundry, but when I hit delete, it killed the entire file.  Clearly I'm doing something wrong.  What's the
trick to file editing like this?
thanks.


Mark Peveto
Registered Linux user number 600552
Everything happens after coffee!