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# Obsidian Tutorial !(#) Obsidian is a personal knowledge base and note management tool based on Markdown files, primarily used for knowledge organization, note-taking, and building personal knowledge systems. Obsidian uses local file storage, where all notes are saved as ordinary Markdown documents, making them easy to migrate, back up, and manage long-term. The biggest difference between Obsidian and traditional note-taking software is not that it can take notes, but that it transforms notes into a connectable, extensible, and computable knowledge network. ## Why Use Obsidian Most people encounter a problem during the learning process: they learn many things, but forget them after some time, or know they took notes but can't find them. Ordinary note-taking software is usually just an information warehouse, while Obsidian is more like a knowledge hub. The core idea of Obsidian is: **connect scattered notes together and let knowledge grow organically.** ### What Obsidian Can Bring | Capability | Description | | --- | --- | | Knowledge Association | Automatically establish relationships between knowledge through bidirectional links | | Local Storage | All notes are ordinary Markdown files, not dependent on cloud databases | | Knowledge Graph | Automatically generate knowledge relationship network diagrams | | Plugin Extension | Supports plugins for calendar, task management, AI, Git, mind mapping, etc. | | Cross-platform | Supports Windows, macOS, Linux, Android, and iOS | ### Common Problems with Ordinary Note-taking Software Many people experience these issues after recording large amounts of content: * Collected many articles but can't find them. * Knowledge points become more numerous and more chaotic. * Repeatedly record the same content. * Previously written content cannot be reused. * Notes increase but knowledge doesn't grow. Obsidian's goal is not to make you write more, but to make you connect more. * * * ## Who Is It Suitable For Not everyone needs Obsidian; it is more suitable for those who accumulate knowledge long-term and learn continuously. | User Type | Applicable Scenarios | | --- | --- | | Programmers | Technical notes, code snippets, project documentation | | Students | Course organization, exam preparation, knowledge review | | Writers | Material management, article creation, idea collection | | Researchers | Paper management, material organization | | Heavy Learners | Building long-term personal knowledge bases | ### Not Very Suitable For * Only want to record temporary items. * Only write to-do lists. * Don't like configuring software. * Want real-time multi-person collaboration. If you just want simple recording: Buy groceries today, attend a meeting this afternoon, and have a dinner gathering this weekend Using ordinary sticky note tools may be more direct. * * * ## Related Links * Official Website: [https://obsidian.md/](https://obsidian.md/) * Download: [https://obsidian.md/download](https://obsidian.md/download) * Community: [https://community.obsidian.md/](https://community.obsidian.md/) * Github: [https://github.com/obsidianmd/obsidian-releases](https://github.com/obsidianmd/obsidian-releases)