Why is it possible to pass file descriptors through Unix domain sockets but not through shared memory? - Quora
Alex Xu on X: "The file pointer points to an entry in the π¨π©ππ§ ππ’π₯π ππππ₯π, which has information about open files across all processes. Multiple file descriptors can point to the
![kernel - How can same fd in different processes point to the same file? - Unix & Linux Stack Exchange kernel - How can same fd in different processes point to the same file? - Unix & Linux Stack Exchange](https://i.stack.imgur.com/il1YV.png)