#print
You can use any other kind of address you want
with 'd'; for example,
  .d
will delete the current line.  Remember the
name of the last line?  Pick up file
"flower" and delete the last line and
rewrite the file.  Then type "ready".
#create Ref
aster
chrysanthemum
daffodil
marigold
petunia
rose
tulip
zinnia
#create flower
aster
chrysanthemum
daffodil
marigold
petunia
rose
tulip
zinnia
hummingbird
#user
#cmp flower Ref
#log
#next
19.2c 10