я ччто-то не догоняю

папка jpegmovies не меняется..
как такое может быть ?

[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
100
[popeye@ppy jpgmovies]$ ls | wc -l
100
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
99
[popeye@ppy jpgmovies]$ ls | wc -l
100
[popeye@ppy jpgmovies]$ ls | wc -l
100
[popeye@ppy jpgmovies]$