--- title: "#unixfilesystem articles | Hashnode" description: "Explore 9 articles tagged #unixfilesystem on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/unixfilesystem" --- Tag # #unixfilesystem 9 posts · 11 followers [Kushagra Srivastava](https://hashnode.com/@thesynthax) · [Dec 13, 2025](https://hashnode.com/posts/linux-is-not-an-os-its-a-philosophy/693d6995325159ce892f9e36) ### [Linux Is Not an Operating System. It’s a Philosophy That Changed How I Think.](https://thesynthax.hashnode.dev/linux-is-not-an-os-its-a-philosophy?utm_source=hashnode&utm_medium=feed) The UNIX Journey: Part 1 7 min read · [thesynthax.hashnode.dev](https://thesynthax.hashnode.dev/linux-is-not-an-os-its-a-philosophy?utm_source=hashnode&utm_medium=feed) [Vaibhav Haldia](https://hashnode.com/@VaibhavHaldia) · [Oct 23, 2025](https://hashnode.com/posts/unix-file-permissions-a-comprehensive-technical-overview/68f9e0bcfe824c2c8f4863d7) ### [Unix File Permissions: A Comprehensive Technical Overview](https://vhald.hashnode.dev/unix-file-permissions-a-comprehensive-technical-overview?utm_source=hashnode&utm_medium=feed) Explore Unix file permissions, ownership, types, and advanced concepts for secure multi-user environment management 6 min read · [vhald.hashnode.dev](https://vhald.hashnode.dev/unix-file-permissions-a-comprehensive-technical-overview?utm_source=hashnode&utm_medium=feed) [Lord Abiolla](https://hashnode.com/@LordAbiolla) · [Jan 9, 2025](https://hashnode.com/posts/unix-operating-system/67aa1de669cfed1dfd733bc0) ### [UNIX Operating System](https://unix-command-line-shell-navigation.hashnode.dev/unix-operating-system?utm_source=hashnode&utm_medium=feed) What is UNIX? 5 min read · [unix-command-line-shell-navigation.hashnode.dev](https://unix-command-line-shell-navigation.hashnode.dev/unix-operating-system?utm_source=hashnode&utm_medium=feed) [dheeraj koranga](https://hashnode.com/@oyeEngineerSahab) · [Sep 26, 2024](https://hashnode.com/posts/lesson-1-basic-commands-to-navigate-directories/66f4ec145c54bdc7fa6bf1d6) ### [Lesson 1 - Basic commands to navigate directories](https://gyannbaato.hashnode.dev/lesson-1-basic-commands-to-navigate-directories?utm_source=hashnode&utm_medium=feed) pwd (Print Working Directory): Displays your current directory (or folder) within the terminal. It's useful to know where you are within the file system. mkdir (Make Directory): Creates a new directory (or folder) in the specified location. ... 2 min read · [gyannbaato.hashnode.dev](https://gyannbaato.hashnode.dev/lesson-1-basic-commands-to-navigate-directories?utm_source=hashnode&utm_medium=feed) [dheeraj koranga](https://hashnode.com/@oyeEngineerSahab) · [Sep 26, 2024](https://hashnode.com/posts/lesson-2-create-files-display-contents-and-stats/66f4ec45d68a7709a6db52f3) ### [Lesson 2 - Create files, display contents and stats](https://gyannbaato.hashnode.dev/lesson-2-create-files-display-contents-and-stats?utm_source=hashnode&utm_medium=feed) touch: Creates an empty file if it doesn’t already exist or updates the last modified timestamp of an existing file. dir: Lists the contents of a directory, similar to the ls command. It's more common on Windows, but it also works in some Linux... 1 min read · [gyannbaato.hashnode.dev](https://gyannbaato.hashnode.dev/lesson-2-create-files-display-contents-and-stats?utm_source=hashnode&utm_medium=feed) [sathwikreddy GV](https://hashnode.com/@sathwikreddygv) · [May 9, 2024](https://hashnode.com/posts/what-are-etc-var-bin-opt-in-linux/663cef964188c629b676362b) ### [What are /etc, /var, /bin, /opt in Linux](https://blog.sathwikreddygv.com/what-are-etc-var-bin-opt-in-linux?utm_source=hashnode&utm_medium=feed) Being a frontend developer in my first year of work, these Linux folders always used to confuse me. What are they, and why are they named like that? I recall setting up Nginx on my MacBook for some development tasks. I would always ask the DevOps guy... 3 min read · [blog.sathwikreddygv.com](https://blog.sathwikreddygv.com/what-are-etc-var-bin-opt-in-linux?utm_source=hashnode&utm_medium=feed) [Ebi Kpemi](https://hashnode.com/@Ebixx) · [Jul 30, 2023](https://hashnode.com/posts/building-a-wc-unix-tool/64c2649551995ca6fbb7d246) ### [Building a WC Unix Tool](https://ebixx.hashnode.dev/building-a-wc-unix-tool?utm_source=hashnode&utm_medium=feed) Introduction Hey folks! 🌟 I recently had an awesome coding adventure where I took on the challenge of building my very own version of the 'wc' command-line tool in Python. You know, that trusty 'wc' command that's always been there for Unix users, h... 7 min read · [ebixx.hashnode.dev](https://ebixx.hashnode.dev/building-a-wc-unix-tool?utm_source=hashnode&utm_medium=feed) [Ashwin Padiyar](https://hashnode.com/@ashwinpadiyar) · [Mar 4, 2023](https://hashnode.com/posts/file-descriptors-and-its-purposes/640392fd9eafaa2965c26254) ### [File descriptors and its purposes](https://padiyar.hashnode.dev/file-descriptors-and-its-purposes?utm_source=hashnode&utm_medium=feed) The descriptor can be thought of as a pointer that references the actual file data in memory. A file descriptor is a number that uniquely identifies an open file within a process. This means that if process-a is using file-a and in the file descrip... 2 min read · [padiyar.hashnode.dev](https://padiyar.hashnode.dev/file-descriptors-and-its-purposes?utm_source=hashnode&utm_medium=feed)