The LPI Linux Essentials exam (010-160) is designed for candidates new to Linux who want to validate foundational knowledge of the operating system, command-line tools, and open-source concepts. This certification demonstrates your readiness to work in Linux environments and pursue advanced LPI credentials. This page outlines the exam structure, core topics, and practical preparation strategies to help you study effectively and build confidence before test day.
Use this topic map to guide your study for LPI 010-160 (Linux Essentials - Exam 010, version 1.6) within the LPI Linux Essentials path.
The 010-160 exam uses multiple-choice and scenario-based questions to assess both theoretical knowledge and practical reasoning in Linux environments.
Questions progress in difficulty, mixing straightforward knowledge checks with complex scenarios that mirror real-world Linux administration tasks.
A structured study plan focused on the five core topics ensures you build skills progressively and identify weak areas early. Dedicate time each week to one or two topics, hands-on practice, and regular review cycles.
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Visit the exam page to download the PDF, Online Practice Test, or get a Bundle Discount offer for both formats: Linux Essentials - Exam 010, (version 1.6).
The Power of the Command Line and Security and File Permissions typically account for a larger portion of the exam because these skills are immediately applicable in Linux work. However, all five domains are essential; a balanced study approach ensures you're prepared for the full range of questions.
In practice, these topics overlap constantly. Understanding the Linux Community and career paths gives context; command-line skills let you execute tasks; file system navigation helps you locate resources; OS knowledge explains what's happening in the background; and security practices protect systems throughout. Real projects require competence across all five areas.
Hands-on practice is invaluable. Prioritize labs and exercises in command-line operations, file system navigation, and permission management. Even 20-30 hours of practical work with Linux systems significantly boosts confidence and retention compared to reading alone. Use virtual machines or live Linux environments to gain real experience.
Frequent errors include misinterpreting permission notation (confusing octal and symbolic modes), overlooking command syntax details, and rushing through scenario questions without fully reading the problem. Many candidates also underestimate the importance of understanding why a command works, not just memorizing it. Slow down, read carefully, and focus on comprehension.
Review weak topic areas identified in practice tests, take a full-length timed mock exam to assess pacing, and focus on command syntax and permission concepts. Avoid cramming new material; instead, reinforce what you've learned and build mental shortcuts for quick recall. Get adequate sleep the night before to ensure sharp focus on test day.
Which of the following statements is true about Free Software?
The other statements are false for the following reasons:
What is Free Software? - GNU Project - Free Software Foundation
Which permissions are set on a regular file once the permissions have been modified with the command
chmod 654 file.txt?
The chmod command is used to change the permissions of files and directories. The permissions are represented by three sets of three characters, indicating the permissions for the owner, the group, and the others. Each character can be either r (read), w (write), x (execute), or - (no permission). The chmod command can use either symbolic or numeric mode to specify the permissions. In this question, the numeric mode is used, which consists of three digits from 0 to 7. Each digit is the sum of the permissions for each set, where r is 4, w is 2, and x is 1. For example, 7 means rwx, 6 means rw-, and 4 means r--. Therefore, the command chmod 654 file.txt sets the permissions as follows:
The first digit 6 means rw- for the owner, which means the owner can read and write the file, but not execute it.
The second digit 5 means r-x for the group, which means the group can read and execute the file, but not write it.
The third digit 4 means r-- for the others, which means the others can only read the file, but not write or execute it.
The resulting permissions are -rw-r-xr--, which is the correct answer. The other options are incorrect because they either have the wrong permissions or the wrong file type. A regular file does not have the d (directory) prefix, and a directory cannot have the - (no file type) prefix.Reference:
Linux Essentials Version 1.6 Objectives: 4.1.Ownership and Permissions1
What information is stored in /etc/passwd? (Choose three correct answers.)
The /etc/passwd file is a plain text-based database that contains information for all user accounts on the system. It is owned by root and has 644 permissions. The file can only be modified by root or users with sudo privileges and readable by all system users. Each line of the /etc/passwd file contains seven comma-separated fields, representing a user account. The fields are as follows:
Username: The string you type when you log into the system. Each username must be a unique string on the machine. The maximum length of the username is restricted to 32 characters.
Password: In older Linux systems, the user's encrypted password was stored in the /etc/passwd file. On most modern systems, this field is set to x, and the user password is stored in the /etc/shadow file.
User ID (UID): The user identifier is a number assigned to each user by the operating system to refer to a user. It is used by the kernel to check for the user privileges and grant access to system resources. The UID 0 is reserved for the root user and cannot be assigned to any other user.
Group ID (GID): The user's group identifier number, referring to the user's primary group. When a user creates a file, the file's group is set to this group. Typically, the name of the group is the same as the name of the user. User's secondary groups are listed in the /etc/group file.
User ID Info (GECOS): This is a comment field. This field contains a list of comma-separated values with the following information: User's full name or the application name, Room number, Work phone number, Home phone number, Other contact information.
Home directory: The absolute path to the user's home directory. It contains the user's files and configurations. By default, the user home directories are named after the name of the user and created under the /home directory.
Login shell: The absolute path to the user's login shell. This is the shell that is started when the user logs into the system. On most Linux distributions, the default login shell is Bash.
Therefore, the correct answers are B, C, and E. The user's storage space limit (A) is not stored in the /etc/passwd file, but in the /etc/quota file. The encrypted password (D) is not stored in the /etc/passwd file, but in the /etc/shadow file.Reference:
Linux Essentials Topic 104: The Linux Operating System, section 104.4: Runlevels and Boot Targets.
Linux Essentials Topic 106: Security and File Permissions, section 106.2: Creating users and groups.
Understanding the /etc/passwd File | Linuxize
Understanding the /etc/passwd File - GeeksforGeeks
passwd(5) - Linux manual page - man7.org
Understanding /etc/passwd file in Linux - DEV Community
What is the preferred source for the installation of new applications in a Linux based operating system?
The distribution's package repository is the preferred source for the installation of new applications in a Linux based operating system. A package repository is a collection of software packages that are maintained by the distribution and can be easily installed, updated, or removed using a package manager. Package repositories offer several advantages, such as:
They ensure compatibility and stability with the system and other packages.
They provide security updates and bug fixes for the packages.
They reduce the risk of malware or corrupted files.
They simplify the dependency management and configuration of the packages.
The other sources are not preferred because they may not offer these benefits and may cause problems with the system. The vendor's version management system, the vendor's website, or a CD-ROM disk may contain packages that are not compatible with the distribution or may conflict with other packages. A retail store may not have the latest or the most suitable packages for the system.Reference:
