git: 9front

ref: a685f57d24f00cb6eea3a0b9e9479b9b8be048f7
dir: /sys/man/4/

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