GT2 used an acl file, known as gridmap file, to map Grid identity to a local identity associated with an unix account. GT3 installation uses the same file as used by a GT2 installation.

• GT2通过访问控制列表文件来映射全局用户证书标识到本地帐号的方式进行授权,GT3工具包也采用了同样的方法。