NFS is network file system, a system for computers to access files from other computers over a network.

Maybe you're thinking of NFL?

NFL is the national football league. They play a game called football even though they seem to be carrying the ball with their hands, most of the time. Seems important in the US…

Maybe you're thinking of NFV?

Network firewall virtualization certainly could be built on top of a new microkernel in Rust, such as this one, and it may gain some benefits in correctness — but looking at its site, the datacenter networking space doesn't really seem to be part of Redox's core ambitions.

Perhaps you're thinking of NAFTA?

NAFTA was the North American Free Trade Agreement.

This was an agreement signed by Canada, Mexico, and the United States that created a trilateral trade bloc in North America. Even if you could make use of it, it ended in 2020.

Perhaps you're thinking of NFO?

NFO is the National Farmer's Organization, an American farmer's organisation with the stated goal of obtaining higher prices for farm produce

perhaps you're thinking of .nfo?

NFO is the National Farmer's Organization, a producerist movement founded in the United States in 1955.

Perhaps you're thinking of NeWS?