symlinks follow 8 or 5?

ネタ元: Cliffのリストフィルタ:2004年7月29日〜8月2日
symlinkのネストは8段じゃなくて5段までらしい。

$ ln -s . 1; for i in $(seq 1 8); do ln -s $i $((i+1)); done
$ find . -type l -a -not -xtype d
find: ./6: Too many levels of symbolic links
./6
find: ./7: Too many levels of symbolic links
./7
find: ./8: Too many levels of symbolic links
./8
find: ./9: Too many levels of symbolic links
./9