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

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What happens after issuing the command vi without any additional parameters?
Given a log file loga.log with timestamps of the format DD/MM/YYYY:hh:mm:ss, which command filters out all log entries in the time period between 8:00 am and 8:59 am?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Which of the following command sets the Bash variable named TEST with the content FOO?
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
During a system boot cycle, what program is executed after the BIOS completes its tasks?
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?

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.)

mkdir,/usr/bin/mkdir
mkdir,/usr/bin/mkdir
Suggested answer: A
asked 18/09/2024
sergio sombrero
34 questions

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.)

find /tmp -uid root -print
find /tmp -uid root -print
find -path /tmp -uid root
find -path /tmp -uid root
find /tmp -user root -print
find /tmp -user root -print
find /tmp -user root
find /tmp -user root
find -path /tmp -user root -print
find -path /tmp -user root -print
Suggested answer: C, D
asked 18/09/2024
Alex Pilallis
43 questions

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?

The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
The command sed did not match anything in that file therefore the output is empty.
The command sed did not match anything in that file therefore the output is empty.
When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens itfor reading.
When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens itfor reading.
Redirection for shell commands do not work using the > character. It only works using the | character instead.
Redirection for shell commands do not work using the > character. It only works using the | character instead.
Suggested answer: C
asked 18/09/2024
Martin White
35 questions

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?

cat
cat
foo bar
foo bar
tee bar
tee bar
bar
bar
foo
foo
Suggested answer: B
asked 18/09/2024
FELIPE VILLAGOMEZ CARDENAS VILLAGOMEZ
42 questions

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.)

uptime
uptime
up
up
top
top
uname -u
uname -u
time -up
time -up
Suggested answer: A, C
asked 18/09/2024
Lazar Marinovic
34 questions

Question 106

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

<
<
<<<
<<<
>
>
>>>
>>>
%>
%>
Suggested answer: A, B, C
asked 18/09/2024
Aung Nyi Nyi Win
30 questions

Question 107

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

The command does not need to execute immediately.
The command does not need to execute immediately.
The command has to run immediately but the user needs to log out.
The command has to run immediately but the user needs to log out.
The system is being shut down and the command needs to restart execution immediately after the reboot.
The system is being shut down and the command needs to restart execution immediately after the reboot.
Suggested answer: B

Explanation:

A. The command does not need to execute immediately.

B. The command has to run immediately but the user needs to log out.

C. The system is being shut down and the command needs to restart execution immediately after the reboot.

D. The command can run at a lower priority than normal commands run on the command line.

Answer: B

Explanation:

asked 18/09/2024
Tebello Mofokeng
29 questions

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

Match the preceding character set ([aei]) one or more times.
Match the preceding character set ([aei]) one or more times.
Match the preceding character set ([aei]) zero or more times.
Match the preceding character set ([aei]) zero or more times.
Match the preceding character set ([aei]) zero or one times.
Match the preceding character set ([aei]) zero or one times.
Match a literal + symbol.
Match a literal + symbol.
Suggested answer: A
asked 18/09/2024
Brett Tin
37 questions

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?

:r
:r
:n
:n
:w
:w
:e
:e
Suggested answer: D
asked 18/09/2024
Baheilu Tekelu
38 questions

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?

The source file is hidden.
The source file is hidden.
The source file is read-only.
The source file is read-only.
The source file is a shell script.
The source file is a shell script.
You do not own the source file.
You do not own the source file.
The source and the target are on different filesystems.
The source and the target are on different filesystems.
Suggested answer: E
asked 18/09/2024
Eduardo Rives
40 questions
Total 246 questions
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