Terminal Atlas

Terminal Atlas: System Command Guide
Your offline system command reference, designed to feel like a technical manual from the era that shaped Unix.
Terminal Atlas covers the commands and concepts people reach for every day, from file operations and process control to services, SSH, DNS, and firewall workflows. Content is organized into short, focused topics with examples, tables, notes, and safety-first steps. No login. No internet required. No ads.
17 sections across three groups:
CORE — History, Filesystem, Users & Groups, Permissions, Processes, Text Processing, Archives, Shell Environment
SYSTEM — Package Management, Services, Disk & Storage, Scheduling, Boot & Recovery
NETWORK — Network Tools, SSH & Remote Access, Firewall & Security, DNS & HTTP
Features
Jump index in every section: tap any topic to go directly to it
Bookmark any topic to My Quick Refs for fast access
Three themes: Aged Paper, Phosphor Green, Phosphor Amber
Four font sizes
Covers Debian/Ubuntu, Red Hat/Fedora, and Arch conventions side by side
Works fully offline with no runtime network requests
Privacy
Terminal Atlas stores only your bookmarks and display preferences locally on your device.
Nothing is transmitted. No accounts. No tracking.