Uninstalling Ubuntu 14.04, and installing Ubuntu 18.04 in its' place
413
How do I install Ubuntu?
119819
Will “Erase Ubuntu16.10 and reinstall” keep my Win7 installation?
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
129223
Ubuntu upgrade from 17.04 to 18.04
51264
How do I uninstall Ubuntu from a computer?
89011
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
69486
Minimal install of Ubuntu
30004
How can I uninstall software?
92230
What is the "Free software only" option when installing Ubuntu?
102366
How to wipe and install ubuntu?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
107544
How can I remove Ubuntu from my system and install the Windows bootloader?
56950
How to uninstall chrome OS and install Ubuntu 16.04 fully (not Crouton) on a Chromebook
36111
Can I uninstall and reinstall Ubuntu Software Center?
51751
How can I install Ubuntu without CD?
113006
Grub rescue after removing Ubuntu?
18266
How do I completely remove Ubuntu?