C language Threads and process differences

A thread is an execution unit within a process that is also a scheduled entity within a process that differs from the process

1) Dispatch: The thread acts as the basic unit of dispatch and allocation, and the process as the basic unit of resources

2) Concurrency: Not only can concurrent execution between processes, multiple threads between the same process can execute concurrently

3) Owning a resource: a process is a separate unit that has resources, threads do not own system resources, but can access resources that belong to the process

4) Overhead: When you create or revoke a process, the overhead of the system is significantly greater than the cost of creating or revoking a thread, because the system allocates and reclaims resources

C language Threads and process differences