l30.2d

<B>Digital的Unix操作系统VAX 4.2源码</B>

#print
In this directory is a file named "airport"
whose second line says "xx" where it should say
"ne".  Edit the file, change those letters, and
rewrite the file.  Then type "ready".
#create Ref
idlewild
newark
laguardia
#create airport
idlewild
xxwark
laguardia
#user
#cmp airport Ref
#log
#next
30.2e 5