rsync is a clever algorithm for synchronizing files in a way that is bandwidth efficient.  It was invented by [Andrew Tridgell] and [Paul Mackerras]. It is described here:

http://rsync.samba.org/tech_report/

''rsync'' is also a program that implements the algorithm.

NasBackup [http://www.nasbackup.com/] is an Open Source Tcl/Tk application that provides a GUI layer on top of rsync.

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[Category Glossary]