oracle安装完毕后，去到http://127.0.0.1:8080/apex这里，用户和用户密码，输入的是什么阿？？？？以下是安装过程～
This will configure on-boot properties of Oracle Database 10g Express
Edition. The following questions will determine whether the database should
be starting upon system boot, the ports it will use, and the passwords that
will be used for database accounts. Press <Enter> to accept the defaults.
Ctrl-C will abort.
Specify the HTTP port that will be used for Oracle Application Express [8080]:
Specify a port that will be used for the database listener [1521]:
Specify a password to be used for database accounts. Note that the same
password will be used for SYS and SYSTEM. Oracle recommends the use of
different passwords for each database account. This can be done after
initial configuration:
Confirm the password:
Do you want Oracle Database 10g Express Edition to be started on boot (y/n) [y]:y
红颜色那些字，好像只叫我们设立密码，没用户阿，我用ubuntu系统帐户登录不行，得用哪个帐户和密码？麻烦了
还有以下这一步：
当运行sqlplus.sh的时候报出：
/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/bin/nls_lang.sh: 114: [[: not found
将#!/bin/sh,改为#!/bin/bash
如何修改？自己进入那个文件夹没有修改名字的权限