git: 9front

ref: e6b32a880a72d73e0041926fee6c8fe9d0ff6ce2
dir: /sys/man/4/

0intro
acme
archfs
cdfs
cfs
cifs
consolefs
cwfs
dossrv
execnet
exportfs
ext2srv
factotum
flashfs
fs
ftpfs
hgfs
httpfile
import
iostats
keyfs
kfs
lnfs
mntgen
namespace
nfs
nntpfs
nusb
paqfs
plumber
ramfs
ratfs
rdbfs
rio
sacfs
snap
srv
tapefs
telco
u9fs
upasfs
vacfs
webcookies
webfs
wikifs