IT Essential Knowledge - Properly Learning Operating System Fundamentals

This is a hands-on course where you'll build an AI-based autonomous driving car using Raspberry Pi and various sensors.

This course is designed to prepare you for the Information Security Engineer written exam by concisely summarizing core theories and strengthening practical skills through problem-solving. Take a step closer to obtaining your Information Security Engineer certification with past exam analysis and practical preparation strategies.

Learn the fundamentals of Onshape and learn the basics of 3D modeling and CAD.

This course is a basic introductory program for learning how to utilize the Raspberry Pi Pico and various sensors. Learners will understand the fundamental functions of the Raspberry Pi Pico and acquire the ability to control various sensors using it. Based on a foundational understanding of the Raspberry Pi Pico, this course is structured to step-by-step improve your skills in utilizing sensors.

This course teaches you how to write safe and reliable code in the software development process. Rather than simply stopping at feature implementation, you'll learn programming principles and techniques that can prevent security vulnerabilities and ensure stability. Through hands-on practice and case studies, you can understand security threats that may occur in real development environments and acquire safe coding techniques such as coding rules, input validation, exception handling, and memory management to prevent them. By taking this course, developers will enhance the completeness of their code while gaining practical capabilities to develop software with security and reliability.

This course is designed to learn the JavaScript programming language along with the latest ES6 grammar.

This is a basic machine learning course that briefly covers the basic machine learning theory for those who are new to machine learning.

This course is a hands-on lecture that covers the basic usage of the Cursor AI tool and how to apply it to actual website creation. Learners will understand the AI-based development environment and experience code writing and automation features using Cursor. The curriculum is designed not just to teach the tool's functions, but to help students develop practical skills through an actual website production project. Furthermore, it covers essential elements frequently used in website development—such as HTML, CSS, and JavaScript—along with efficient development methods using AI assistance, making it easy for beginners to follow along. By taking this course, learners will gain the ability to quickly implement ideas and complete websites using Cursor AI, which will serve as an excellent first step in adapting to the latest development environments.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this course, you will learn about database concepts and related terms (tables, rows, columns, etc.), as well as the basic usage of the Notion database.

The Computerized Accounting Level 1 certification is a nationally recognized qualification that evaluates the ability to practically utilize accounting information. This course is supervised by the Korean Tax Accountants Association and is designed to achieve exam success using the KcLep program. The Computerized Accounting Level 1 exam is an intermediate-level qualification test that covers overall tax and accounting processing based on manufacturing companies, including practical problems across all areas of financial accounting, value-added tax, and cost accounting. In this course, you will systematically learn how to handle core accounting tasks such as financial statement preparation, VAT reporting, and cost calculation under conditions similar to actual work environments through the KcLep program. Through this, you can simultaneously improve both practical accounting skills and the competency to obtain computerized accounting certification.

This is a lecture where you can learn JavaScript through theory and practice. We explain step by step so that even those who are new to coding can easily understand. Part 1 covers an overview of JavaScript, variables, data types, operators, control statements, and the basics of jQuery.

In this tutorial, you will learn how to create motion effects using the Fractal, Glow, Advanced Lightning, and Expression effects in After Effects.

1. Learn the main functions of Excel so you can create documents easily and quickly. 2. Learn tips commonly used in practice.

You can obtain the certification by learning and applying basic knowledge of Subject 5, Information System Construction Management, among the subjects of the Engineer Information Processing written exam.

You can obtain the certification by learning and applying basic knowledge of Subject 3, Database Construction, among the Information Processing Engineer written exam subjects.

You can obtain the certification by learning and applying basic knowledge of Subject 4, Programming Language Utilization, among the written subjects of the Engineer Information Processing exam.

This is how to use Photoshop, taught in [Photoshop Revolution Broadcast].

When you want to try using Figma, a UI design authoring tool, or when you want to create something with Figma, you'll practice the most basic usage methods.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

This course focuses on developing practical visualization skills that can be immediately applied in the workplace by utilizing Seaborn, a core tool for data visualization, and plotly/Dash for building interactive dashboards. Through various hands-on exercises, you can enhance both your ability to create insight-driven visual materials and implement web-based dashboards.

This lecture teaches the essential OS principles for all developers.

✅ Out of the entire series (1) ~ (7), (5) operating system, user interface, database ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

This is Part 1 of a roadmap lecture that concisely organizes the essential computer science (CS knowledge) needed to excel in development and data, in a short period. This lecture has also been used as an in-house lecture at top domestic companies for several years. Based on 20 years of experience in actual practice, from system SW to web, app development, and data science, this lecture systematically yet easily organizes the essential core knowledge needed to excel in development and data.

The author of "Learning the Structure and Principles of the Linux Kernel Through Debugging" provides a proper explanation of the core concepts of 'Interrupt Bottom Halves' in the latest Linux kernel (v6.1), which is most widely used in system software.

A course that helps you understand core operating system concepts and practice explaining them verbally in interviews

You need to have a solid understanding of the basic principles of operating systems to understand advanced programming techniques. This lecture is a specialist-level lecture on the dinosaur book, which can be called the bible of operating systems.

The author of "Learning the Structure and Principles of the Linux Kernel Through Debugging" provides a thorough explanation of the core interrupt concepts of the latest Linux kernel (v6.1), which are most widely used in system software.

This course puts an end to operational vulnerabilities in Linux servers caused by incorrect permissions. Completely master file and directory permission control based on real-world practical standards.

Bestseller 『Study Computer Architecture + Operating Systems on Your Own』 author's free lecture. A collection of computer architecture and operating systems books that developers must know.

We'll teach you essential Windows System programming skills for developing games and applications for Windows.

Now I can analyze the Linux kernel too! The easiest kernel lecture among Linux kernel lectures.