DBMS on top of a file system.

On Linux the default block size for most file systems is 4096 bytes. The command part of GNU Core Utilities can be used to check the block size.

In languages

C++

In C++, a block can be read using std::ifstream (input file stream).import std;

using std::array;using std::byte;using std::ifstream;using std::ios;

constexpr size_t BLOCK_SIZE