perl -E"printf qq[%010u,%0200u\n], $_, $_ for 1..160e6" >30GB.dat

##</code><code>##

E:\>head -2 s:30GB.dat
0000000001,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
0000000002,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002

E:\>tail -2 s:30GB.dat
0159999999,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000159999999
0160000000,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000160000000

##</code><code>##

E:\>dir s:30GB.*
28/02/2015  08:21    34,560,000,000 30GB.dat
28/02/2015  09:44     1,920,000,000 30GB.idx