file locking

In the realm of computing, especially in environments where multiple processes or instances need to access and modify the same resources concurrently, mutual exclusion (mutex) is crucial to prevent conflicts and preserve data integrity. This article explains how to implement a mutex across distributed systems using the flock command in Linux Bash, particularly when the systems share files over Network File System (NFS). Q&A on Implementing Mutex with flock over NFS Q: What is flock and how is it used in Linux? A: flock is a command-line utility in Linux used to manage locks from shell scripts or command line.