That depends on the file system. It may do block sub allocation (https://en.wikipedia.org/wiki/Block_suballocation https://en.wikipedia.org/wiki/Block_suballoc

That depends on the file system. It may do block sub allocation (https://en.wikipedia.org/wiki/Block_suballocation https://en.wikipedia.org/wiki/Block_suballocation) (Blocks also need not be large, but in this context that’s a theoretical issue)