ELF is the file format used for object information (.o's), binaries, shared libraries and core dumps in Linux. https://Student-Cute-Th.com/%e0%b8%a3%e0%b8%b9%e0%b8%9b%e0%b8%99%e0%b8%b1%e0%b8%81%e0%b8%a8%e0%b8%b6%e0%b8%81%e0%b8%a9%e0%b8%b2/