Description: Running Yarn workspaces is a command that executes a script in each workspace of a Yarn project. Yarn, a package manager for JavaScript, allows for efficient dependency management in projects that can be organized into multiple workspaces. Each workspace can contain its own set of dependencies and scripts, facilitating the modularization and maintenance of large applications. By using the command to run scripts across all workspaces, developers can automate common tasks such as testing, building, or updating, ensuring that each part of the project is aligned and functioning correctly. This functionality is particularly useful in monorepo projects, where multiple packages are developed and maintained in a single repository. The ability to run scripts simultaneously across all workspaces not only saves time but also reduces the likelihood of errors that could arise from manually executing scripts in each individual workspace. In summary, the ‘yarn workspaces run’ command is a powerful tool that enhances efficiency and organization in software development, allowing teams to work more cohesively and effectively.