Forum Moderators: open
filetype: pdf (Limiting to only Acrobat material)
filetype: msword (Limiting to only Word documents)
filetype: flash (Limiting to only Flash presentations)
These Limits Can Also Be Combined By Placing the Filetype Limits Inside Parentheses (filetype:msword filetype:pdf)
Spotted at The ResourceShelf [resourceshelf.com]
Now that Google and AlltheWeb support filetype:, and they and Teoma support site: there seems to be increasing standardization amoung the engines' syntax. Or I guess you could say they're just copying Google, but either way it will make it easier for novices.