What is Mutex in Operating System?

Learn Mutex definition in operating system with explanation to study “What is Mutex”. Study mutex explanation with operating system terms to review operating system course for online degree programs.

Mutex Definition

  • Similar to a binary semaphore. A key difference between the two is that the process that locks the mutex must be one to unlock it.

    Operating Systems by William Stallings



Mutex Explanation

Mutex (Mut from Mutual and ex from exclusion) is a mutual exclusion object which allows multiple program threads to share the same resources, such as memory access, but not at once. Any thread that needs the resource must lock the mutex from other threads while it is using the resource.

Keep Learning Operating System Explanations

What is User mode?

In user mode, the executing code has no ability to access hardware or memory directly. Code running in user mode ...

What is Batch Processing?

Batch processing is the processing of previously collected jobs in a single batch. Batch process jobs can run without any ...

What is Page Frame?

A page frame is the smallest fixed-length contagious block of physical memory into which pages are mapped by the operating ...

What is Synchronous Operation?

A synchronous operation blocks a process till the operation completes. This is the main difference in asynchronous and synchronous operation ...

What is Message?

A message is a unit of information that is sent to the user or the system operator with the information ...

What is Demand Paging?

Demand Paging is a method of virtual memory management. It follows that a process starts its execution without any of ...