$ ls -ld e1
drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 e1

$ ls -ld e2
drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 e2

$ find e1 | wc -l
3254

$ find e2 | wc -l
3254

$ du -cs e1
341412  e1
341412  total

$ du -cs e2
341404  e2
341404  total

$ diff -b <(ls -alR "`pwd`/e1" | sed "s,`pwd`/e1,`pwd`/e2,") <(ls -alR "`pwd`/e2")
2,3c2,3
< total 76
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 .
---
> total 68
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 .
22c22
< total 816
---
> total 808
24c24
< drwxr-xr-x 17 mario mario  12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario   4096 Sep 16 11:19 ..
96c96
< total 5776
---
> total 5768
98c98
< drwxr-xr-x 17 mario mario   12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario    4096 Sep 16 11:19 ..
103c103
< total 16
---
> total 8
105c105
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
108c108
< total 372
---
> total 364
110c110
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario  4096 Sep 16 11:19 ..
815c815
< total 24
---
> total 16
817c817
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
843c843
< total 4640
---
> total 4632
845c845
< drwxr-xr-x 17 mario mario   12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario    4096 Sep 16 11:19 ..
1529c1529
< total 16
---
> total 8
1531c1531
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1534c1534
< total 20
---
> total 12
1536c1536
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1545c1545
< total 16
---
> total 8
1547c1547
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1550c1550
< total 16
---
> total 8
1552c1552
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1555c1555
< total 856
---
> total 848
1557c1557
< drwxr-xr-x 17 mario mario  12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario   4096 Sep 16 11:19 ..
1624c1624
< total 16
---
> total 8
1626c1626
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1629c1629
< total 16
---
> total 8
1631c1631
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..
1634c1634
< total 52
---
> total 44
1636c1636
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario  4096 Sep 16 11:19 ..
4921c4921
< total 44
---
> total 36
4923c4923
< drwxr-xr-x 17 mario mario 12288 Sep 16 11:19 ..
---
> drwxr-xr-x 17 mario mario 4096 Sep 16 11:19 ..

$ mkdir tmp

$ ls -ld tmp/
drwxr-xr-x 2 mario mario 4096 Sep 21 17:20 tmp/

$ for i in `seq 1000`; do touch tmp/$i; done

$ ls -ld tmp/
drwxr-xr-x 2 mario mario 20480 Sep 21 17:21 tmp/

$ rm tmp/*

$ ls -ld tmp/
drwxr-xr-x 2 mario mario 20480 Sep 21 17:21 tmp/