https://johnnydecimal.com

A system to organise your life • Johnny.DecimalJohnny.Decimal is a system to organise your life. Find things, quickly, with more confidence, and less stress. It's free to use and the concepts are the same at home or work.A system to organise your life • Johnny.Decimal Sign in ┌─   11.01 Introduction ────────────────────────────────────────────────────────────────────────────────────────── ─┐ ┌─   11.01 Introduction ────────────────────────────────────────────────────────────────────────────────────────── ─┐ A system to organise your life The problem The solution I like it! What next? └ ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┘ A system to organise your life Johnny.Decimal is designed to help you find things quickly, with more confidence, and less stress. You assign a unique ID to everything in your life. These IDs help you stay organised. They impose constraints that make it harder to get lost. And you create your own index to link everything in your life together. The system is free to use and the concepts are the same at home, work, or that club you manage. The problem In real life, if you stored your stuff in piles of badly-labelled boxes you'd never find anything again. If you put those boxes in boxes, in boxes, you'd never know which box to open to find the next box. It would be chaos. But this is how you save your computer files. FIGURE 11.01B. A CHAOTIC FILE SYSTEM WITH MANY LEVELS OF FOLDERS. The solution Here's one way to think about how a Johnny.Decimal system works. In this simple analogy, an area is a shelf, a category is a box, and an ID is a manila folder. Step 1: Buy ten shelves Imagine a computer is a garage. We can't put everything on the floor, so we buy ten shelves. Then we dedicate each one to an area of our life -- life admin, home business, and tennis club.1 FIGURE 11.01C. A SHELF FOR EACH MAJOR AREA OF OUR LIFE. Step 2: Add some boxes Each shelf has space for ten boxes, so we categorise what we want to store. In life admin we decide on five and label them: me, house, money, online, and travel. Our boxes have space for a number, so we add that too.2 FIGURE 11.01D: OUR LIFE ADMIN SHELF ENDS UP WITH FIVE BOXES. Step 3: File your stuff in folders We put our documents in manila folders. Each folder gets a number starting at .11 so we can track them. In this case, we've put some insurance policies in 15.23 Travel insurance. Then put the folder in a box. FIGURE 11.01E. WE PUT OUR DOCUMENTS IN NUMBERED FOLDERS AND STORE THEM IN THE RELEVANT BOX. This is how we structure our file system Let's return to our computer. The shelves have become our area folders. The boxes are category folders. And the manila folders are the IDs where we save our files. FIGURE 11.01F. A NEAT FILE STRUCTURE WITH AREAS, CATEGORIES, AND IDS. Benefits of the Johnny.Decimal ID Each of our storage folders now has a number, the ID. It always has two digits, a decimal, and two digits. For example, 15.23 22.11 31.17. This number is really useful. It provides structure The ID tells us exactly where a thing is. The numbers before the decimal are the item's category, and they define the structure of your system. At a glance, you know what sort of thing the item contains. You'll be astonished at how many of your category numbers you remember. They're easy to communicate They're short, memorable, and can be spoken out loud. Say it like "sixteen oh-two" or "thirty-one dot seventeen". This is really handy when you want to tell someone (including your future self) where a thing is. Things stay where they are If you use the alphabet to name folders, they move when a new one is created. So you never get a chance to develop muscle memory. Numbers solve this problem. In the example above, 11 Me comes before 12 House because the folders sort by number. If we made a new folder, 16 Aardvark collection, nothing would move. It imposes limits The 'no more than ten' concept is at the heart of Johnny.Decimal. When you start looking for something, you have no more than ten area folders to choose from. Select one and ignore the rest. Now you have no more than ten category folders to choose from. Repeat the process. You then arrive in a folder with no more than one hundred IDs. If the ID was created recently it will have a higher number. If not, lower. And things created together, stick together. The alphabet isn't around to ruin the party. I like it! What next? Welcome to the Johnny.Decimal family, there's plenty to go on with: Explore the site to learn more about the system. Get organised fast with our pre-built systems. In 10 minutes you'll be more organised than you've ever been. We have systems for your Life Admin and your Small Business. They're what I use to manage my own life and business. If you want to build your own system, and learn everything that I know about being more organised, Johnny.Decimal University has 10+ hours of video. The Johnny.Decimal Workbook is now free. Click here to download it. Follow the blog (just point your RSS reader at the site), and subscribe to the YouTube channel. Ask for help in the friendly forum or Discord, or email me (I answer every message). Sign up to the mailing list for an email every couple of weeks. Plain text, no trackers. To prevent spam, solve the puzzle. You have two pet chickens. You get one more pet chicken. How many chickens do you now have? Footnotes We don't try to use all ten shelves -- there's room to grow. ↩ I'll explain later why the first box isn't number 01 or 10. ↩ ┌ ─ ◁/▶ ───────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┐ •Areas and categories ▶ └ ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┘ ┌─────────────────────────────┐ │ Life Admin System │▒ │ │▒ │ The fastest way to organise │▒ │ your home life -- $33 │▒ ├─────────────────────────────┤▒ │ Johnny.Decimal University │▒ │ │▒ │ Learn how to build your own │▒ │ system, & lots more -- $200 │▒ ├─────────────────────────────┤▒ │ Small Business System │▒ │ │▒ │ The fastest way to organise │▒ │ your small business -- $300 │▒ ├─────────────────────────────┤▒ │ No subscriptions │▒ │ Updates for life │▒ └─────────────────────────────┘▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ↑ Back to top ┌ ─ Index ───────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┐ 00-09 Site administration 00 Index 00.00 Index 01 About 01.01 About us 01.02 Licence 01.03 Policies 01.04 Version 10-19 │ │ │ │ Concepts └┤  │  │  │ 11 Core concepts └──┤    │    │    │    │ 11.01 Introduction 11.02 Areas and categories 11.03 IDs 11.04 Philosophy 11.05 The JDex 11.06 Saving files 11.07 Keeping notes 11.08 The Librarian 12 Advanced concepts 12.01 Managing email 12.02 Other JDex methods 12.03 The standard zeros 12.04 Working at the command line 12.05 AC.ID notation 13 System expansion 13.01 Introduction 13.11 Multiple systems 13.12 Guidelines 13.21 Expand an area 13.31 Extend the end 13.32 Guidelines 14 Build and learn 14.01 Build your own system 14.02 JD University 14.03 The Workshop 14.04 Task and Project Management 15 Patterns and templates 15.01 Introduction 15.02 Creative pattern 15.03 Life Admin System 15.04 Small Business System 20-29 Communication 21 Send and receive 21.01 Contact me 21.02 Mailing list 21.03 RSS feed 21.04 Comms plan 22 Blog 22.01 Latest posts 22.02 All posts 23 Forums and chat 23.01 The forum 23.02 Discord 30-39 The library 31 Apps and utilities 31.01 For the system 31.02 Other useful tools 32 Education 32.01 Be better at computer └ ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┘ ┌ ─ Search ───────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┐ ▷ └ ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┘ 2026-02-07 6.5.0 Johnny 🧡 Decimal  /  A system to organise your life  /  © 2026enen1770680401https://johnnydecimal.com

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