What tool are you using to search file content?
Searching for file names uses an indexed database, which is fast. Searching file content, is not indexed and needs to go through each file you search entirely. Assuming you have a normal harddisk, this will be tediously slow. Google has huge data centers
, each of which costs multiple hundred million USD. I guess you don't have that at home either
Google also uses indexed databases (it doesn't search the entire web real-time; the Google bot travels the web and updates the database, but you only search the database). They use highly optimized