SearchIn provides to you the opportunity of generate a database for your partition(s) to accelerate the search for your files.
At the step of indexing, the directory- and file structure is first beeing completely scanned and saved.
Now you can with the function "Index Use" type in a search term and the function will browse and list the whole directory- and file structure of the indexed Partition(s)
Is a volume once scanned, you can search for files and folders without inserting it again.
Additionally, SearchIn is a Word-Search-Application, with which it is possible to search for predefined keywords in your files.