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

Fewer Letters	More Letters
HA	Home Assistant automation software
~	High Availability
IP	Internet Protocol
LVM	(Linux) Logical Volume Manager for filesystem mapping
LXC	Linux Containers
NAS	Network-Attached Storage
NUC	Next Unit of Computing brand of Intel small computers
NVMe	Non-Volatile Memory Express interface for mass storage
PSU	Power Supply Unit
SSD	Solid State Drive mass storage
VPN	Virtual Private Network
Zigbee	Wireless mesh network for low-power devices

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11 acronyms in this thread; the most compressed thread commented on today has 9 acronyms.

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