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| binary semaphore (ssn); Mutual Exclusion (Vosoni) | |||
| Mutex (A programming technique that ensures that only one program or routine at a time can access some resource, such as a memory location, an I/O port, or a file, often through the use of semaphores, which are flags used in programs to coordinate the activities of more than one program or routine) | |||
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| multiuser terminal executive | |||
