Other versions of the df tool (notably Solaris) report the bare block and file availability information by default.
其他版本的df工具(特别是Solaris)，缺省情况下将报告空块和文件可用性信息。
2
Our CM tool was a stumbling block in this project.
我们的配置管理工具是我们这个项目的一块绊脚石。
3
A credit file "security freeze" is a preventive tool to help you avoid identity theft and to block impostors from using your personal information to establish credit.