Build the LTP test suite and install it, and then change into the DSF directory.

编译ltp测试套件并安装它，然后切换到dsf目录。

youdao

Once in the DSF directory, you will see both kernel_space and user_space directories.

进入DSF目录后，您将看到kernel_space目录和user_space目录。

youdao

DSF is especially helpful in executing device driver kernel code where the device may not be present.

当设备可能不存在时，DSF特别有助于执行设备驱动程序内核代码。

youdao

Dad has tangled web of European TV and film programming, production and licensing firms, including SAT1, DSF (sports TV), Premier (pay TV), and 40% of Axel Springer Verlag, one of Europe's largest newspaper chains.

FORBES: Europe