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Devices, Filesystems Including Standard of Filesystem Hierarchy for Linux
As the last part of the comprehensive LPIC-1 certification path, this module will validate your ability to perform the following tasks:
- Define partitions & filesystems by making use of MBR and GPT;
- Obtain system files and address them to the right location.
- Preserve filesystem integrity by solving the related issues;
- Control the mounting alongside unmounting of diverse filesystems;
- Make and modify hard links as well as symbolic ones;
NEW QUESTION # 46
What does the command mount -a do?
- A. It opens an editor with root privileges and loads /etc/fstab for editing.
- B. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.
- C. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.
- D. It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
- E. It shows all mounted file systems that have been automatically mounted.
Answer: D
Explanation:
Explanation
The command mount -a ensures that all file systems listed with the option auto in /etc/fstab are mounted. The
/etc/fstab file contains the information about the file systems that can be mounted automatically or manually.
The option auto means that the file system can be mounted automatically at boot time or when the command mount -a is issued. The option noauto means that the file system can only be mounted manually by specifying the device or mount point. The command mount -a ignores the file systems with the noauto option and mounts the rest of the file systems that are not already mounted. The other options are incorrect because they do not describe the correct behavior of the command mount -a. Option A is wrong because the command mount -a ignores the file systems with the noauto option. Option B is wrong because the command mount -a does not show any output, unless the -v option is used. To show the mounted file systems, the command mount without any arguments can be used. Option C is wrong because the command mount
-a does not open any editor. To edit the /etc/fstab file, a text editor such as vi, nano, or gedit can be used.
Option E is wrong because the command mount -a does not mount all file systems listed in /etc/fstab, but only those with the auto option. References:
* [LPI Linux Essentials - 2.2 Mounting, Unmounting Filesystems]
* Linux mount Command with Examples - phoenixNAP
* How does the Linux command "mount -a" work? - Unix & Linux Stack Exchange
* mount command in Linux with Examples - GeeksforGeeks
* mountLinux
NEW QUESTION # 47
Which grep command will print only the lines that do not end with a / in the file foo?
- A. grep -v '/$' foo
- B. grep '/#' foo
- C. grep -v '/#' foo
- D. grep'/$' foo
Answer: A
NEW QUESTION # 48
A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?
- A. find /etc/debian_version -dpkg
- B. apt -r /etc/debian_version
- C. apt-get search /etc/debian_version
- D. dpkg -S /etc/debian_version
- E. apt-file /etc/debian_version
Answer: D
Explanation:
Explanation
The command that searches for packages owning the file /etc/debian_version is dpkg -S /etc/debian_version.
The dpkg command is the low-level tool for installing, removing, configuring, and querying Debian packages.
The -S or --search option takes a file name or a pattern as an argument and searches for the packages that contain the matching files. The output shows the package name and the file name separated by a colon. For example, running dpkg -S /etc/debian_version will produce the output base-files:/etc/debian_version, indicating that the file /etc/debian_version belongs to the base-files package. The other commands are either invalid or do not perform the desired task. The apt-get command is used to download and install packages from the Debian repositories, but it does not have a search option. The aptcommand is a high-level tool for managing packages, but it does not have a -r option. The find command is used to search for files in the file system, but it does not have a -dpkg option. The apt-file command is used to search for files in the packages available in the Debian repositories, but it requires a subcommand such as search or show before the file name or pattern. References:
* Linux Essentials - Linux Professional Institute Certification Programs1
* Exam 101 Objectives - Linux Professional Institute2
* dpkg(1) - Linux manual page3
* apt-get(8) - Linux manual page
* apt(8) - Linux manual page
* find(1) - Linux manual page
* apt-file(1) - Linux manual page
Lpi 101-500 (LPIC-1 Exam 101, Part 1 of 2, version 5.0) Certification Exam is a globally recognized certification exam that validates the candidate's knowledge and skills related to Linux system administration. LPIC-1 Exam 101, Part 1 of 2, version 5.0 certification exam is suitable for IT professionals who want to establish their credibility and professionalism in the IT industry. 101-500 exam is designed to test the candidate's ability to perform real-world tasks related to Linux system administration. LPIC-1 Exam 101, Part 1 of 2, version 5.0 certification is the first of two exams required to obtain the LPIC-1 certification, which is widely recognized in the IT industry.
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