Plan 9 from Bell Labs’s /n/sources/contrib/nemo/root/sys/src/cmd/mail2fs/guide
!Msgs !Arch !Spam X/text/D !Reply !Send , <Msgs , >Arch , >Spam , x/9fans/+- p . >Reply . >Spam
(This is a user-contributed directory and should not be interpreted as statement by Alcatel-Lucent.)