Executing commands asynchronously in Go allows applications to perform multiple tasks simultaneously, enhancing their flexibility and responsiveness. Synchronous execution waits for a command to finish before processing its output, which works well for short-lived tasks but can hinder performance with long-running commands, such as `ping`. To manage these effectively, it's essential to utilize the `start` method from the `exec` package, which enables command execution without waiting for completion. This approach not only facilitates non-blocking tasks but also allows for graceful termination using operating system signals. By handling standard input, output, and error streams asynchronously, developers gain greater control over their applications, especially in scenarios where immediate user feedback or parallel processing is required, such as opening a browser without halting program execution.