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

Fewer Letters	More Letters
CGNAT	Carrier-Grade NAT
DHCP	Dynamic Host Configuration Protocol, automates assignment of IPs when connecting to a network
DNS	Domain Name Service/System
IMAP	Internet Message Access Protocol for email
ISP	Internet Service Provider
NAS	Network-Attached Storage
NAT	Network Address Translation
NFS	Network File System, a Unix-based file-sharing protocol known for performance and efficiency
NUC	Next Unit of Computing brand of Intel small computers
RAID	Redundant Array of Independent Disks for mass storage
SATA	Serial AT Attachment interface for mass storage
SFTP	Secure File Transfer Protocol for encrypted file transfer, over SSH
SMTP	Simple Mail Transfer Protocol
SSD	Solid State Drive mass storage
SSH	Secure Shell for remote terminal access
UDP	User Datagram Protocol, for real-time communications
VPN	Virtual Private Network
ZFS	Solaris/Linux filesystem focusing on data integrity
nginx	Popular HTTP server

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