> But a layered image SHOULD be a single file and not a filesystem. But if all (or most of what) you want is a VFS, SQLite isn't necessarily a good way to make

> But a layered image SHOULD be a single file and not a filesystem. But if all (or most of what) you want is a VFS, SQLite isn't necessarily a good way to make one. As has been mentioned elsewhere in the thread, it's fairly common for modern file formats to be zips of a structured filesystem; although this has upsides and downsides compared to SQLite, it seems much easier to run unzip than look up how to get SQLite to output the binary content of a table row to a file.