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 # CUPS Printing README
 
+[CUPS](https://en.wikipedia.org/wiki/CUPS) (also known as the "Common UNIX Printing System") allows your Internet-in-a-Box (IIAB) to act as a print server.
+
+This can be useful if a printer is attached to your IIAB — so print jobs from client computers and phones can be processed — and then sent to the appropriate printer.
+
 ## Web Administration
 
 Please administer CUPS at http://box/print using: