运行grpck检查组，我看到这些错误：
'twinky' is a member of the 'foo' group in /etc/group but not in /etc/gshadow
'dipsy' is a member of the 'foo' group in /etc/group but not in /etc/gshadow
'laalaa' is a member of the 'foo' group in /etc/group but not in /etc/gshadow
'po' is a member of the 'foo' group in /etc/group but not in /etc/gshadow
'noonoo' is a member of the 'foo' group in /etc/group but not in /etc/gshadow
'dipsy' is a member of the 'foo' …