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LPI 101-500 Practice Test - Questions Answers, Page 11

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Question 101

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Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

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Question 102

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Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

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Question 103

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When running the command sed -e "s/a/b/" /tmp/file >/tmp/file While /tmp/file contains data, why is /tmp/file empty afterwards?

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Question 104

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When given the following command line. echo "foo bar" | tee bar | cat Which of the following output is created?

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Question 105

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Which of the following commands can be used to determine how long the system has been running?

(Choose TWO correct answers.)

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Question 106

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Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

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Question 107

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Which of the following explanations are valid reasons to run a command in the background of your shell?

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Question 108

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What does the + symbol mean in the following grep regular expression: grep '^d[aei]\+d$' /usr/share/dict/words

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Question 109

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While editing a file in vi, the file changes due to another process. Without exiting vi, how can the file be reopened for editing with the new content?

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Question 110

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You are trying to make a hard link to an ordinary file but ln returns an error. Which of the following could cause this?

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What happens after issuing the command vi without any additional parameters?
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Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
Which of the following commands list all files and directories within the /tmp/ directory and its subdirectories which are owned by the user root? (Choose two.)
What is true regarding the configuration of yum? (Choose two.)
Which of the following is true when a file system, which is neither listed in /etc/fstab nor known to system, is mounted manually?