[root@localhost ~]# cd /usr/bin/
[root@localhost bin]# mysql
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
[root@localhost bin]# cd /
[root@localhost /]# use mysql
-bash: use: command not found
[root@localhost /]# cd /usr/bin/
[root@localhost bin]# mysql
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
[root@localhost bin]# /mysql
-bash: /mysql: 没有那个文件或目录
[root@localhost bin]# cd /
[root@localhost /]# /usr/local/mysql
-bash: /usr/local/mysql: 没有那个文件或目录
[root@localhost /]# /var/lib/mysql/
怎么设置root密码啊?/usr/bin/mysql提示说mysql不是目录???这是为什么?