Ramfs serves a memory-based file system.
It is a demo of srv9p with file trees.
fgergo: original 9fans.net/go/plan9/srv9p/example/ramfs/main.go
using github.com/fgergo/p9plib to run on linux
; ramfswithsrv9p&
; 9 mount `namespace`/ramfswithsrv9p /n/ramfswithsrv9p