Free Lpi 101-500 Practice Test & Real Exam Questions
Which of the following directories on a 64-bit Linux system typically contain shared libraries? (Choose two.)
Correct Answer: C,E
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Which of the following commands can be used to download the RPM package kernel without installing it?
Correct Answer: D
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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?
Correct Answer: A
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In Bash, inserting 1>&2 after a command redirects
Correct Answer: B
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Which command will display messages from the kernel that were output during the normal boot sequence?
Correct Answer:
dmesg
Explanation:
The command dmesg will display messages from the kernel that were output during the normal boot sequence. The dmesg command reads the kernel ring buffer, which is a data structure that stores the most recent messages generated by the kernel. The dmesg command can also be used to display messages from the kernel that were output after the boot sequence, such as hardware events, driver messages, or system errors.
The dmesg command has various options to filter, format, or save the output. For example, dmesg -T will display human-readable timestamps for each message, and dmesg -w will display the messages in real time as they occur. References:
* 1: How to view all boot messages in Linux after booting? - Super User
* 2: dmesg(1) - Linux manual page
* 3: Kernel ring buffer - Wikipedia
Explanation:
The command dmesg will display messages from the kernel that were output during the normal boot sequence. The dmesg command reads the kernel ring buffer, which is a data structure that stores the most recent messages generated by the kernel. The dmesg command can also be used to display messages from the kernel that were output after the boot sequence, such as hardware events, driver messages, or system errors.
The dmesg command has various options to filter, format, or save the output. For example, dmesg -T will display human-readable timestamps for each message, and dmesg -w will display the messages in real time as they occur. References:
* 1: How to view all boot messages in Linux after booting? - Super User
* 2: dmesg(1) - Linux manual page
* 3: Kernel ring buffer - Wikipedia
Which of the following vi commands deletes two lines, the current and the following line?
Correct Answer: E
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A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?
Correct Answer: A
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Which of the following sections exists in a systemd timer unit?
Correct Answer: E
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Which of the following properties of a Linux system should be changed when a virtual machine is cloned?
(Choose two.)
(Choose two.)
Correct Answer: A,B
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