Online Access Free 101-400 Exam Questions

CORRECT TEXT
Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files?
killall -s _______ daemon

Which of the following commands will NOT update the modify timestamp on the file
/tmp/myfile.txt?

• A.file /tmp/myfile.txt
• B.echo -n "Hello" >>/tmp/myfile.txt
• C.echo "Hello" >/tmp/myfile.txt
• D.touch/tmp/myfile.txt
• E.sed -ie "s/1/2/" /tmp/myfile.txt

CORRECT TEXT
Which command displays a list of all background tasks running in the current shell?
(Specify ONLY the command without any path or parameters.)

Which of the following commands changes all occurrences of the word "bob" in file data to "Bob" and prints the result to standard output?

• A.sed's/bob/Bob/' data
• B.sed's/bob,Bob/' data
• C.sed's/bob/Bob/g' data
• D.sed'/bob/Bob/' data
• E.sed'/bob/Bob' data

Regarding the command:
nice -5 /usr/bin/prog
Which of the following statements is correct?

• A./usr/bin/prog is executed with a nice level of -5.
• B./usr/bin/prog is executed with a priority of 5.
• C./usr/bin/prog is executed with a nice level of 5.
• D./usr/bin/prog is executed with a priority of -5.