Everything is a file is only true if we ignore OS IPC and networking.
Windows way goes back to 8 and 16 bit home computer days, across all systems that is mostly how it worked, applications were placed inside their own directory, or their own floppy, actually.
Windows way goes back to 8 and 16 bit home computer days, across all systems that is mostly how it worked, applications were placed inside their own directory, or their own floppy, actually.