Definition: A thread is the smallest unit of execution within a Process. A process can contain multiple threads that share the same memory space.
Memory: Threads within the same process share the same memory space, which allows for easier data sharing but requires careful synchronization to avoid race conditions.
Overhead: Threads are lighter than processes. Creating and managing threads involves less overhead because they share the same memory and resources.
Isolation: Threads are not isolated from each other. A crash in one thread can potentially affect the entire process.
Context Switching: Context switching between threads is generally faster than between processes because threads share memory and other resources.
Threads are useful when tasks need to share data frequently and require less isolation, such as in applications with a high degree of parallelism like web servers, where multiple threads handle different client requests.
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