Complex sentence: Sherlock, named after Sherlock Holmes, is the file and web searching tool made by Apple Inc. for the Mac OS, introduced with Mac OS 8.5 as an extension of the Mac OS Finder's file searching capabilities.
Split into simpler sentences: Sherlock, named after Sherlock Holmes, is the file and web searching tool. The search tool software is made by Apple Inc. for the Mac OS, introduced with Mac OS 8.5 as an extension of the Mac OS Finder's file searching capabilities.