l18.2e

<B>Digital的Unix操作系统VAX 4.2源码</B>

#print
Just before the last line of file 'airlines'
in this directory insert the line

twa

and then rewrite the file with wq and
type "ready".
#create Ref
american
braniff
continental
delta
eastern
national
pan am
twa
united
#create airlines
american
braniff
continental
delta
eastern
national
pan am
united
#user
#cmp airlines Ref
#log
#next
19.1a 10
19.2a 5