Visual Bell in GNOME 3 Terminal

When using a terminal in GNOME 3, tab auto completion makes the audio bell, you can use a visual bell instead.

Disable audible bell and enable visual bell with:

The default visual bell type is a fullscreen flash, you can change to a titlebar flash only with:

If you prefer the fullscreen flash:

Enable delete key in Nautilus 3

The default shortcut to move files to wastebasket on Nautilus 3 is CTRL+DEL.
To change the shortcut to only DEL, follow these instructions:

Search for this line:

Uncomment the line and remove the “<Primary>” text from the shortcut:

Now the DEL key works in Nautilus.