NFS1
British (now historical )
noun
National Fire Service.
Origin
1940s; earliest use found in The Daily Mirror.
NFS2
Computing
noun
(A trademark for) an application (Network File System) that allows the user of a network to access and operate shared files, peripheral resources, and utilities on remote computers as if they were stored locally and part of the user's directory.
Origin
1980s; earliest use found in Computerworld.