--rw-rw-rw- fst    sys    27 Feb  9  2017 email
--rw-rw-r-- fst    sys    43 Feb  9  2017 files
--rw-rw-r-- bootes sys 28000 Feb  9  2017 ip
--rw-rw-r-- bootes sys 27798 Feb  9  2017 ip.orig
--rw-rw-r-- fst    sys     0 Feb  9  2017 notes
--rw-rw-r-- fst    sys    78 Feb  9  2017 readme
--rw-rw-r-- bootes sys 73401 Feb  9  2017 tcp.c
--rw-rw-r-- none   sys 72711 Feb  9  2017 tcp.c.orig