Threads
A thread is a single sequential flow of control within a process. Threads are the basis for multithreaded programs, which allow a single program to control concurrently running threads, each performing a different task. Multithreaded programs generally use reentrant code (code that multiple threads can use simultaneously) and are most valuable when run on multiple-CPU machines. Under GNU/Linux multithreaded servers, such as NFS, can provide a cleaner interface and may be easier to write than multiple server processes. When applied judiciously, multithreading can also serve as a lower-overhead replacement for the traditional fork-exec idiom for spawning processes. See the FAQ at tldp.org/FAQ/Threads-FAQ.
tip || Multiple Threads Are Not ...
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