A program (binary, or executable) is a file on disk somewhere, in a recognized format. Common formats include ELF on Linux, ...

To fix the CS2 missing executable file on Steam, you will simply need to restart your Steam client so you can download the new update. The patch that you’ll be able to install will then let you ...

Anti-Executable 5.2 blocks execution of any program that isn't on its whitelist. It can definitely prevent installation of new malware, as long as you don't erroneously override its block.

Executable size still matters, though, because in a microser­vice architecture, you could have hundreds of instances of services running in the same memory space.