V6/usr/source/as/run

Find at most related files.
including files from this version of Unix. 
as as1?.s
ld -s -n a.out
cmp a.out /bin/as
cp a.out /bin/as
as as2?.s
ld -s -n a.out
cmp a.out /lib/as2
cp a.out /lib/as2
rm a.out