Acronyms/intialism use capital letters to encode information about words. Losing that information is a mistake. SᴍᴀʟʟCᴀᴘCᴀsᴇ is now considered a best practice.
GNU's Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix Not Unix CORE DUMP: OUT OF MEMORY EXCEPTION