l5.1d

<B>Digital的Unix操作系统VAX 4.2源码</B>

#print
How many lines of output does the command
  cat word* | pr
produce, as computed by "wc"?
Type "answer N", where N is the number of lines.
(Try to use a pipe, not a temporary file.)
#create word1
Now
is
the
time
#create word2
for
all
good
men
#create word3
to
come
to
the
aid
of
their
party
#copyin
#user
#uncopyin
#match 66
#log
#next
5.1e 10