I tried installing the new nautilus via commands
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt-get update
sudo apt-get install nautilus
But the console warns me not to do that:
You are about to add the following PPA to your system:
Before upgrading your system to a new Ubuntu release (i.e. from Ubuntu 12.04 to 13.04), you should probably run ppa-purge ppa:gnome3-team/gnome3 first.
=== Ubuntu 13.04 (Raring) ===
GNOME 3.8 that won't make it into the normal Ubuntu 13.04 repositories. Other parts of GNOME 3.8 are available in the https://launchpad.net/~gnome3-team/+archive/gnome3-staging PPA but beware that many of those components have known regressions from their GNOME 3.6 versions.
You need to run 'sudo apt-get dist-upgrade' to avoid problems. Please read the output before entering 'Y' to make sure important packages won't be removed.
=== Ubuntu 12.10 (Quantal) ===
Parts of GNOME 3.6 that didn't make it into the normal Ubuntu 12.10 repositories.
=== Ubuntu 12.04 (Precise) ===
Parts of GNOME 3.4 that didn't make it into the normal Ubuntu 12.04 repositories.
=== Bugs ===
On Raring (13.04) please use 'ubuntu-bug' to report bugs against packages in this PPA
More info: https://launchpad.net/~gnome3-team/+archive/gnome3
Press [ENTER] to continue or ctrl-c to cancel adding it
So, is it safe to install Nautilus 3.6 on Ubuntu 12.04? Has anyone tried and did any problems appear?