这里可能发生什么事?
dylan/var$ ls -ld www
drwxrwxr-x 2 root webdev 4096 2011-03-19 05:13 www
dylan/var$ grep webdev /etc/group
webdev:x:1001:dylan
dylan/var$ touch www/test
touch: cannot touch `www/test': Permission denied
dylan/var$ groups
dylan adm dialout cdrom plugdev lpadmin admin sambashare
答案1
群组成员资格在登录时确定。注销,然后重新登录。