Neither position nor size works for either user or sudo in the 16.04 alpha. for nautilus 3.14.3 (package nautilus 1:3.18.4-0ubuntu1 is nautilus 1:3.14.3-0ubuntu1) Package seems odd. Running off persistent ISO, but updated the nautilus package.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
Codename: xenial
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Neither position nor size works for either user or sudo in the 16.04 alpha. for nautilus 3.14.3 (package nautilus 1:3.18.4-0ubuntu1 is nautilus 1:3.14.3-0ubuntu1) Package seems odd. Running off persistent ISO, but updated the nautilus package.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
Codename: xenial
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux