What Is CompTIA Linux+? - ITU Online

What Is CompTIA Linux+?

Quick Answers To Common Questions

CompTIA Linux+ is a widely recognized certification that validates the fundamental skills and knowledge necessary for Linux system administrators. This certification covers various aspects of Linux system management, including installation, operation, maintenance, and troubleshooting, along with understanding the security features and tools that Linux offers. By earning the CompTIA Linux+ certification, professionals demonstrate their competence in managing Linux systems in a real-world environment, making it a valuable credential for IT professionals looking to specialize in Linux.

Associated Exams

  • Certification Name: CompTIA Linux+
  • Exam Codes: XK0-005
  • Number of Questions: Maximum of 90 questions per exam
  • Exam Format: Multiple-choice and performance-based questions
  • Passing Score: 720 (on a scale of 100-900)
  • Duration: 90 minutes per exam
  • Prerequisites: CompTIA recommends having the CompTIA A+ and Network+ certifications and 12 months of Linux admin experience, although it’s not mandatory.

Exam Costs

  • Estimated Cost: The cost of the CompTIA Linux+ exam is approximately $370 USD. However, prices may vary by country and are subject to change.

Exam Objectives

The CompTIA Linux+ exam objectives are divided into several domains, including:

  1. Hardware & System Configuration: Configure kernel modules, network parameters, storage, cloud and virtualization technologies.
  2. System Operation & Maintenance: Manage software and services, and explain server roles, job scheduling, and the use and operation of Linux devices.
  3. Security: Understand best practices for permissions and authentication, firewalls, and file management.
  4. Linux Troubleshooting & Diagnostics: Analyze system properties and processes and troubleshoot user, application and hardware issues.
  5. Automation & Scripting: Carry out basic scripting and improve system efficiency through automation.

Frequently Asked Questions Related to CompTIA Linux+

Who should take the CompTIA Linux+ exam?

Individuals looking to establish a career in Linux administration or who are currently in IT roles that require a deep understanding of Linux.

How long is the CompTIA Linux+ certification valid?

The certification is valid for three years from the date of passing the exam.

Can I retake the CompTIA Linux+ exam if I fail?

Yes, there is no waiting period for the first retake. However, for any subsequent retakes, a waiting period of 14 days applies.

Is prior experience with Linux required for CompTIA Linux+?

While not mandatory, CompTIA recommends having 12 months of Linux administration experience or equivalent knowledge.

How does CompTIA Linux+ compare to other Linux certifications?

CompTIA Linux+ is considered more comprehensive for beginners and covers a broad range of Linux administration tasks, making it a good starting point compared to more specialized certifications.

CompTIA Linux+ Training

CompTIA Linux+

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Key Term Knowledge Base: Key Terms Related to CompTIA Linux+

CompTIA Linux+ is a globally recognized certification that validates the fundamental skills and knowledge required to manage Linux systems. This certification covers a wide array of topics, including system architecture, GNU and Unix commands, devices, filesystems, filesystem hierarchy standard, system security, and networking fundamentals. Knowing the key terms associated with CompTIA Linux+ not only helps in preparing for the certification exam but also in understanding the intricacies of Linux systems for practical applications in IT careers. Below is a comprehensive list of terms that are crucial for anyone looking to work with or understand CompTIA Linux+ better.

Linux KernelThe core of the Linux operating system, managing hardware, running processes, and system security levels.
ShellA command-line interface used to interact with the operating system, allowing users to execute commands.
BashBourne Again SHell, a widely used default shell in Linux systems, known for its scripting capabilities.
GNU ToolsA collection of software tools within GNU operating systems, providing functionality similar to Unix systems.
Filesystem Hierarchy Standard (FHS)A set of standards specifying the directory structure and directory contents in Linux and other Unix-like operating systems.
Package ManagementA system used to install, update, and remove software packages in Linux, examples include APT (for Debian-based systems) and YUM (for Red Hat-based systems).
LVM (Logical Volume Management)A method for allocating disk space into logical volumes that can be easily resized unlike traditional disk partitions.
GRUB (GNU GRand Unified Bootloader)A bootloader package that supports multiple operating systems on a computer.
SystemdA system and service manager for Linux operating systems, compatible with SysV and LSB init scripts.
X Window SystemA network-transparent window system which allows for graphical user interfaces (GUIs) on Linux and Unix systems.
SSH (Secure Shell)A cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers.
SELinux (Security-Enhanced Linux)A security module for the Linux kernel that provides a mechanism for supporting access control security policies.
FirewallA network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
CronA time-based job scheduler in Unix-like operating systems for running scheduled tasks at specific times.
Kernel ModulesPieces of code that can be loaded into the kernel on demand, adding functionality or support for new hardware without requiring a reboot.
VirtualizationThe process of creating a virtual version of something, such as virtual computer hardware platforms, storage devices, and computer network resources.
Network File System (NFS)A distributed file system protocol allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed.
SambaA free software re-implementation of the SMB/CIFS networking protocol, providing file and print services to SMB/CIFS clients.
inodeA data structure on a filesystem on Linux and Unix-like systems that stores information about a file or a directory.
GrepA command-line utility for searching plain-text data sets for lines that match a regular expression.
SedA stream editor for filtering and transforming text, used for editing text files in a scripting or batch manner.

Understanding these terms provides a solid foundation for mastering Linux system administration and for excelling in the CompTIA Linux+ certification exam.

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