登录后我收到以下错误:
Last login: Thu May 30 15:25:49 2013 from
-bash: groups: command not found
xxx@Dogbert:~$ /usr/bin/groups
-bash: /usr/bin/groups: Permission denied
xxx@Dogbert:~# su -
root@Dogbert:~# ls -la /usr/bin/groups
-rwxr-xr-x 1 root root 26180 Mai 28 22:21 /usr/bin/groups
有任何想法吗?