Process is a way to segregate resources (memory, sockets, file descriptors, etc). You kill a proc - it will release all memory and file descriptors. Thread is

Process is a way to segregate resources (memory, sockets, file descriptors, etc). You kill a proc - it will release all memory and file descriptors. Thread is a way to segregate computation. You spawn a thread and it will run some code scheduled by the OS. you kill/stop a thread and it will stop computation, but not the resources.