How can I type a in a path or URL (ftp, sftp, etc.) directly into Nautilus instead of having to browse around?
Pressing Ctrl+L allows you to type in a path:
Ubuntu 11.04 and below:
Ubuntu 11.10 and 12.04:
To change this permanently see here: Typing location path instead of clicking directory buttons in the file picker dialog?
Another tricky is just to press / Then you can type path with automcomplete options when double tab click.
It will lead you to write the absolute path which means starting from /.
Pressing Ctrl+L give you the path of your current location and you can from change your path.