Definition of Character-Based Interface in the list of acronyms and abbreviations provided by the Free Online Dictionary and Thesaurus. Dictionary
Migrating from character-based while at the same time avoiding technologies that are likely to become obsolete A typical character-based interface
There's absolutely no reason you can't.
All it takes is time. You could look into other backup programs and make a backup of the system after you've done all your updates and configured it the way you like it. That'd at least save you time.
While I don't personally get infected, for work PCs at my old company, the standard practice was to simply restore from backup. It took about as much as running malware removals, but was more effective. Since their data was stored on a server, wiping the system just meant they got to take a long lunch break.