Remove Ubuntu to downgrade
2136
How to roll back Ubuntu to a previous version?
70411
Downgrade from Windows 7 Ultimate to Home Premium?
100881
How do I delete "Removable Disk" listings?
126343
How to downgrade a package via apt-get?
100396
Downgrade android version from higher to lower?
8948
Uninstall kubuntu-desktop
34367
How do I reinstall Ubuntu?
121309
How to downgrade from El Capitan to Snow Leopard?
13704
How can I delete my printer from Ubuntu?
47002
How do I downgrade to Subversion 1.6?
9738
How can I replace Windows with Ubuntu?
63243
How can I remove system apps / stock apps?
3167
Could I remove apt with apt?
12463
How do I delete Windows after an Ubuntu install?
16289
How do I uninstall GRUB?
109851
how to remove other linux os and stay with ubuntu only
51264
How do I uninstall Ubuntu from a computer?