RSYNC

rsync is a software tool that efficiently transfers and synchronizes files between computers or storage devices. It compares files on both ends, transferring only the parts that have changed, which saves time and bandwidth. rsync is commonly used for backups, remote data transfer, and keeping directories in sync. It works over networks or locally and offers options for encryption, compression, and automation, making it a flexible and reliable solution for managing and updating copies of data across different systems.