填空题
ACM(ABSTRACTCONTROLMODEL)
Whatinformationisdisplayedbythecommandcat/proc/dma？（）A....
单项选择题What information is displayed by the command cat/proc/dma？（）
A. whether DMA is enabled B. which DMA channels are in use C. which DMA mode is in use D. general information about DMA on the machine
WhichDebianpackagesystemcommandwilllistallpartiallyinst...
单项选择题Which Debian package system command will list all partially installed packages and suggest how to get them correctly installed？（）
A. dpkg-G B. apt-get-u C. dpkg-Dh D. dpkg-l E. apt-get-y
What is the output when the following shell script exec...
单项选择题
What is the output when the following shell script executes？（） cat<；<；foobar Hello foobar foobar
A. The contents of the file foobar. B. Hello C. No output but a file named foobar is created. D. Hello foobar E. Hello foobar foobar
