The author sounds horribly mistaken. Even dynamically linked executables tables do not need sections!! It just so happens to be that the runtime symbol table

The author sounds horribly mistaken. Even dynamically linked executables tables do not need sections!! It just so happens to be that the runtime symbol table is defined to be the same format as the normal symbol table. Although it shows up as .dynsym, the runtime linker doesn’t find it that way!