--- title: "Pritom Purkayasta (@pritompurkayasta) | Hashnode" description: "Senior Software Engineer. Read the latest articles by Pritom Purkayasta on Hashnode." url: "https://hashnode.com/@pritompurkayasta" --- @pritompurkayasta # Pritom Purkayasta @pritompurkayasta · Dhaka, Bangladesh · Joined January 2021 Senior Software Engineer ### [Virtual File System (VFS) - The Abstraction](https://pritom.hashnode.dev/vfs?utm_source=hashnode&utm_medium=feed) The Virtual File System (VFS) is an abstraction layer in the Linux kernel. It allows applications to perform generic operations (like open, read, write) without needing to understand the underlying file system (ext4, NTFS, NFS). Without VFS: The kern... 2 min read · [pritom.hashnode.dev](https://pritom.hashnode.dev/vfs?utm_source=hashnode&utm_medium=feed) [Jan 20](https://hashnode.com/posts/vfs/696fdee464e932df39832581) ### [💾 No C Drive?](https://pritom.hashnode.dev/nocdrive?utm_source=hashnode&utm_medium=feed) In the world of operating systems, storage management follows two distinct philosophies. While Windows users are accustomed to navigating through drive letters like C:, D:, or E:, Linux users navigate a single, unified directory tree. Key Insight: T... 3 min read · [pritom.hashnode.dev](https://pritom.hashnode.dev/nocdrive?utm_source=hashnode&utm_medium=feed) [Jan 19](https://hashnode.com/posts/nocdrive/696e00b614795f04475b326e) ### [🗃️ Common File Systems (ext4, NTFS, Btrfs, ZFS)](https://pritom.hashnode.dev/filesystem?utm_source=hashnode&utm_medium=feed) If you’ve ever formatted a drive on Windows or macOS, you’ve dealt with file systems.Here’s a quick guide to the most common ones: NTFS, ext4, Btrfs, ZFS, and APFS. 🧠 What Is a File System? A file system decides: 📂 How files are stored 🗄️ How f... 3 min read · [pritom.hashnode.dev](https://pritom.hashnode.dev/filesystem?utm_source=hashnode&utm_medium=feed) [Jan 18](https://hashnode.com/posts/filesystem/696c5b0ecc6ab578e745c1fc) ### [Understanding the Linux Folder Structure](https://pritom.hashnode.dev/understanding-the-linux-folder-structure?utm_source=hashnode&utm_medium=feed) If you’re coming from Windows, Linux can feel a bit confusing at first — especially when there are no C: or D: drives. Instead, Linux uses one single folder tree, and everything lives inside it. Let’s make this simple and familiar. 🌳 The Linux Fold... 3 min read · [pritom.hashnode.dev](https://pritom.hashnode.dev/understanding-the-linux-folder-structure?utm_source=hashnode&utm_medium=feed) [Jan 17](https://hashnode.com/posts/understanding-the-linux-folder-structure/696bb403282f3cb76944ba7b) ### [🚀 Git Tip: How to Save Your ASS with git commit --amend 🔄](https://pritom.hashnode.dev/git-commit-amend?utm_source=hashnode&utm_medium=feed) Understanding git basics (git append) 2 min read · [pritom.hashnode.dev](https://pritom.hashnode.dev/git-commit-amend?utm_source=hashnode&utm_medium=feed) [Oct 10, 2024](https://hashnode.com/posts/git-commit-amend/67080900dc7eb64ba485887d)