Which of the following commands displays the physical path of the kernel module named dummy?
In the following output, what percentage of time was the CPU waiting for pending I/O?
# vmstat 1 100
procs-------memory---------swap-----io-----system----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0
CORRECT TEXT
Which file contains the message that is displayed above the login prompt of the system console? (Specify the full name of the file, including path.)
A system has one hard disk and one CD writer which are both connected to SATA controllers.
Which device represents the CD writer?
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?
