The system bell sound is annoying you. Which of the following can you use to change this and
other user X preferences?

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What application can be used in place of xhost? Please enter only the name without path.

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What command with all options and/or parameter will send the signal USR1 to any executing
process of program apache2?

What command line redirection characters instruct the shell to read from the current input source
until a specific word, on a separate line and without and trailing spaces, is reached?

Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground
sends which of following signal codes?

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Consider the following output:

prompt> myapp
[1]+ Stopped myapp

This output was the result of the user pressing the keyboard combination of the Ctrl key and what
letter key? Enter only the single (1) letter as your answer

What is the output when the following shell script executes?

Cat <<foobar
Hello foobar
foobar

Which of the following commands will display the last 30 lines of /var/log/bigd.log as well as new
content as it is appended to the file by another process?

Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to
Linux standard LF characters and store it as newlist.txt?

Which of the following commands will find the string foo in the file filel.txt, regardless of foo being
in upper or lowercase letters?