Glossary term
What is Mutex / Lock (Mutual exclusion)?
Mutex / Lock stands for Mutual exclusion.
Lets only one thread use something at a time. Example: A single key to the storeroom.
Learn it properly · System DesignLesson 4: Processes, Threads & Concurrency for Backend EngineersMost backend work is waiting. How one server juggles thousands of requests — processes, threads, event loops and lightweight threads — and the race conditions, deadlocks and pool limits that appear the moment it does.