[FIG(quote)[
[FIGCAPTION[
[1] [CITE@en[RFC 959 - File Transfer Protocol]]
( ([TIME[2016-06-05 16:18:06 +09:00]]))
<https://tools.ietf.org/html/rfc959#page-5>
]FIGCAPTION]

> 
>       NVFS
>          The Network Virtual File System.  A concept which defines a
>          standard network file system with standard commands and
>          pathname conventions.

]FIG]