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Q1. - (Topic 4)
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?
A. chown dan/staff file.txt
B. chown dan:staff file.txt
C. chown -u dan -g staff file.txt
D. chown dan -g staff file.txt
Answer: B
Q2. - (Topic 3)
Which character, added to the end of a command, runs that command in the background
as a child process of the current shell?
A. !
B. +
C. &
D. %
E. #
Answer: C
Q3. - (Topic 4)
Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?
A. apropos
B. which
C. find
D. query
E. whereis
Answer: C
Q4. - (Topic 3)
From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)
A. source /usr/local/bin/runme.sh
B. . /usr/local/bin/runme.sh
C. /bin/bash /usr/local/bin/runme.sh
D. /usr/local/bin/runme.sh
E. run /usr/local/bin/runme.sh
Answer: A,B
Q5. - (Topic 3)
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
A. kill -PIPE 123
B. kill -KILL 123
C. kill -STOP 123
D. kill -TERM 123
Answer: D
Q6. - (Topic 2)
Which function key is used to start Safe Mode in Windows NT?
A. F10
B. F8
C. F6
D. Windows NT does not support Safe Mode
Answer: D
Q7. - (Topic 4)
After running the command umount /mnt, the following error message is displayed:
umount: /mnt: device is busy.
What is a common reason for this message?
A. The kernel has not finished flushing disk writes to the mounted device.
B. A user has a file open in the /mnt directory.
C. Another file system still contains a symlink to a file inside /mnt.
D. The files in /mnt have been scanned and added to the locate database.
E. The kernel thinks that a process is about to open a file in /mnt for reading.
Answer: B
Q8. - (Topic 3)
Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?
A. magic
B. type
C. file
D. pmagic
E. hash
Answer: C