Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
DNS	Domain Name Service/System
HTTP	Hypertext Transfer Protocol, the Web
IP	Internet Protocol
SSH	Secure Shell for remote terminal access
UDP	User Datagram Protocol, for real-time communications
VPN	Virtual Private Network
VPS	Virtual Private Server (opposed to shared hosting)
nginx	Popular HTTP server

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7 acronyms in this thread; the most compressed thread commented on today has 8 acronyms.

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