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
LXC	Linux Containers
NAS	Network-Attached Storage
NUC	Next Unit of Computing brand of Intel small computers
PiHole	Network-wide ad-blocker (DNS sinkhole)
RAID	Redundant Array of Independent Disks for mass storage
RPi	Raspberry Pi brand of SBC
SBC	Single-Board Computer
VPN	Virtual Private Network

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