Showing posts with label ABI. Show all posts
Showing posts with label ABI. Show all posts

Tuesday, April 16, 2024

What is an Application Binary Interface (ABI)?

After someone mentioned Alma Linux to me, it seemed similar to Rocky Linux, and I wondered why there would be two Linux distros doing the same thing (picking up from CentOS and remaining RHEL compatible).

I read that "Rocky Linux is a 1-to-1 binary to RHEL while AlmaLinux is Application Binary Interface-compatible with RHEL".

Wow. Now, not only did I learn about a new Linux distro, but I also have to run down what an Application Binary Interface, or ABI is.

Referring to this, Stack Exchange post: https://stackoverflow.com/questions/2171177/what-is-an-application-binary-interface-abi, I liked this "oversimplified summary":

API: "Here are all the functions you may call."

ABI: "This is how to call a function."

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