Ah, the humble Hosts file, a cornerstone of internet navigation and a geek’s best friend for custom domain mapping and ad blocking. Today, we embark on a nostalgic journey through the digital nooks and crannies of operating systems, exploring where this plain text powerhouse resides across a spectrum of platforms. From Windows to iOS, and Unix to Android, if you’ve ever wondered how to bend the internet to your will (or at least, make it a bit more bearable), you’ve come to the right place.