Then use the same tool to delete the recovery partition, and install Ubuntu into it. Use Sony's tool to create a recovery backup to a USB drive. If you want to dual boot between Ubuntu and Windows, the simplest way is to use the space taken up by the recovery partition. Noteable exceptions are the GPS and orientation sensors. The Sony VAIO Duo 11 (model number SVD11xxxxxx) is an Intel Ivybridge Ultrabook using low-power Core i3, i5, or i7 CPU, with four or eight gigabytes of RAM, and a 128, 256, or 512 gigabyte SSD.