Will upgrading Ubuntu 10.04 to 12.04 change my files?
12578
How do I upgrade to a newer version of Ubuntu?
87297
Does upgrading Ubuntu respect my existing partitions?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
14631
Can someone clarify Ubuntu (Debian) dist-upgrade for me?
35243
Is it safe to do-release-upgrade from 12.04.4 to 14.04.1?
54634
How can I upgrade from Windows 7 to Windows 8 and keep my files and applications?
68120
Will upgrading Windows 8 to 8.1 affect Ubuntu?
13028
Will any files or apps delete after updating to Mavericks?
105335
How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?
29191
Upgrade to 18.04 from 17.10
58888
Change Ubuntu 17.04 to Ubuntu 16.04.2 LTS
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
142310
Ubuntu 12.04 software upgrade does not show 12.10 upgrade
128471
How do I update from 9.0.10 to 9.1.0?
112536
Upgrading Ubuntu chroot environment?
157307
Where do packages installed/upgraded with APT get stored?
56225
Do I have to download both the 14.04 and the 14.04.1 versions of ubuntu?