flock

The article explains how to use the `flock` command in Linux Bash for implementing mutexes in distributed systems with NFS to prevent data corruption by synchronizing file access. It highlights the importance of ensuring NFS setups support flock effectively and provides scripts to demonstrate mutex implementation using lock files on NFS, emphasizing reliability and network setup.

The article provides a comprehensive guide on using `flock`, a command-line tool, for managing script concurrency in Linux. It details how to integrate `flock` into bash scripts to prevent data corruption and overlaps in execution, with examples and techniques for using the `-n` option to avoid lock waiting times. The guide further discusses selecting the appropriate lock file and includes installation instructions for various Linux distributions, highlighting `flock`'s role in enhancing script reliability and performance.