进程

1. What Is a Thread? An execution flow within a process. A thread is an execution flow of a process. Multithreading means that a process has multiple execution flows. If threads are implemented at user level, they are called user space threads. If th

[toc] 1. Process A process can be viewed as a running program. Use ps aux to view processes. A new process can be created using the fork call. The created child process and parent process share all segments, such as text, stack, heap, etc. Only when