1. What's uvd?
uvd is a tool enabling users to edit their documents on various platforms and office suites without the need to manually manage their files.
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4. What do they all do?
uvd — main program, interprets documents, requests to open them; also makes backups and repair documents.
uvd-man — executables manager, imports and exports executables for use portably on various platforms.
(only Windows) uvd-desktop — desktop integration, run only once, associates uvd extension with uvd program...