Error information:
Error reason:
The calling statement in the program is: id = OS. Fork(); There is no fork () on Windows system, so an error will be reported, but it can be called on MAC, Linux and UNIX.
Error information:
Error reason:
The calling statement in the program is: id = OS. Fork(); There is no fork () on Windows system, so an error will be reported, but it can be called on MAC, Linux and UNIX.