例如:gunzip linux-brprinter-installer-2.1.1-1.gz 得到带有"su"命令或者"sudo su"命令的超级用户授权。 运行工具: 命令:bash linux-brprinter-installer-*.*.*-* Brother machine name 例如:bash linux-brprinter-installer-2.1.1-1 MFC-J880DW