Can I completely wipe my computer?

Android. Recent Android devices have encryption enabled by default, but double-check to make sure it’s enabled under Settings > Personal > Security (it may be in a different place on some Android phones). … Tap Reset Phone, enter your PIN, and select Erase Everything.

How do I erase everything on Ubuntu?

1 Answer. logout from your user account and login with your new user. now go to /home and remove everything except your new user’s home directory, or use userdel -r username to remove other users.