They perform different tasks and are specific to different systems. CreateProcess is a function exclusive to Windows, while fork is only available on POSIX systems like Linux and macOS.
The fork system call creates a new process and continues execution in both the parent and the child from the point where the fork function was called. On the other hand, CreateProcess creates a new process and loads a program from disk. The only similarity between them is that they both result in the creation of a new process.
For more detailed information, you can refer to the respective manual pages on CreateProcess and fork.
If we comparing the Linux fork() and Windows CreateProcess() functions, there are several key differences to consider:
if you comparing forking() in Unix-like systems and CreateProcess() in Windows, there are several key differences: