when you delete a song it will ask you if you want to move it to the trash, if you just hit return it will leave a copy in your music folder but delete it from the iTunes music library.
however, if you told it to move the file to the trash and it didnt...well thats a different story.
deleting a song in your library is a two step process though. and rightly so. wouldnt want to accidentally delete something you want now would you?
Not if the copy of the file it's linked to is not the original. If you have iTunes set to copy all new mp3s into its own directory, it'll only delete the files from there.
You can turn off copying in the preferences, which should solve your problem.
Not if the copy of the file it's linked to is not the original. If you have iTunes set to copy all new mp3s into its own directory, it'll only delete the files from there.