Palm OS had a system-wide search that would call each program's main function with an argument to do a search (typed in a text field in a search dialog). The call to main was on the stack of the search system without even fully launching each application. Each program could display the results that it chose based on its own search. (Mykland, Robert. Palm OS ...


Windows NT since at least Windows 2000 has had search system built in that includes a plugin system so new types of documents can be indexed. http://msdn.microsoft.com/en-us/library/ee805985(v=vs.85).aspx It was not on by default and has an interface the looked like a web search results but it worked.


This patent is just so broad and generic that a lot of prior implementations could be described by it. My first thought was of NFS shares. Searching for files using GNU find or locate would return results on the local hard drive and files on the network in the hierarchy of the file system. I was doing this in the late 90's when I first started using ...

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