Through "System Settings" > "Details", it says Ubuntu 12.04. I saw that a new version of 12.04-12.04.1-have been released.
Have "Update Manager" already update/upgrade my version? Or should I download and install?
Thanks for your Answers.
EDIT: Terminal:
ubuntu@CandyCanDoIt:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.1 LTS
Release: 12.04
Codename: precise
ubuntu@CandyCanDoIt:~$
"Details" in "System Settings":

Just uploading:

2)

3)

4)

