Each process is started with a single thread, often called the primary thread, but can create additional threads from any of its threads. What is a Thread? A thread is the entity within a process that ...

Threads in OS are also not fault-tolerant, as they share the same address space and resources, which means that a failure in one thread can affect the whole process.

OS THREADS : RETURNS 0 if call completed sucessfully. Other = Fail Thread control blocks -> store the sate of each thread of a process 1) Parallelism (have each thread execute a portion of the work) ...