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Atomic Operations Atomicity, for the purposes of this article, can be interpreted to mean indivisible, uninterruptible, and either 100% successful or 100% unsuccessful. It is impossible to witness a half-complete atomic operation. Examples of things that are atomic are database transactions ( but not always as you expect ), the mv command found on most unix-like systems, breaking a glass window (it’s either broken or not, never something in-between), etc…...