vim readme updated

Terminal/vim.md

@@ -1 +1,135 @@
-# Vim zero to one
+# Vim zero to one
+
+No matter if you're a DevOps engineer, developer, or Linux enthusiast, knowing Vim helps you navigate and edit files efficiently from the terminal—especially when working on remote servers where GUI editors aren’t available.
+
+This cheat sheet will help you get started and become productive with Vim 👇
+
+---
+
+## 🧠 What is Vim?
+
+Vim (Vi IMproved) is a highly configurable terminal-based text editor used for efficient text editing. It comes pre-installed on most UNIX systems.
+
+---
+
+## 🚀 Opening and Exiting Vim
+
+| Command | Description |
+|--------|-------------|
+| `vim filename` | Open file in Vim |
+| `:q` | Quit (only if no changes) |
+| `:q!` | Quit without saving |
+| `:w` | Save file |
+| `:wq` or `ZZ` | Save and quit |
+| `:x` | Save and quit (same as `:wq`) |
+
+---
+
+## ✍️ Basic Modes
+
+| Mode | Description |
+|------|-------------|
+| `Normal` | Default mode (for navigation and commands) |
+| `Insert` | Press `i`, `I`, `a`, `A`, `o`, or `O` to enter |
+| `Visual` | Use `v`, `V`, or `Ctrl+v` to select text |
+| `Command-line` | Use `:` to enter commands |
+
+Press `Esc` anytime to return to **Normal mode**.
+
+---
+
+## 🔡 Insert Mode Shortcuts
+
+| Key | Description |
+|-----|-------------|
+| `i` | Insert before cursor |
+| `I` | Insert at the beginning of the line |
+| `a` | Insert after cursor |
+| `A` | Insert at the end of the line |
+| `o` | Open new line below |
+| `O` | Open new line above |
+
+---
+
+## 🎯 Navigation
+
+| Key | Description |
+|-----|-------------|
+| `h`, `j`, `k`, `l` | Move left, down, up, right |
+| `w`, `W` | Jump by word |
+| `b`, `B` | Jump back by word |
+| `0` | Start of line |
+| `^` | First non-blank character of line |
+| `$` | End of line |
+| `gg` | Go to beginning of file |
+| `G` | Go to end of file |
+| `:n` | Go to line number `n` |
+
+---
+
+## 📋 Copy, Paste, Delete
+
+| Command | Action |
+|---------|--------|
+| `yy` | Yank (copy) line |
+| `dd` | Delete line |
+| `p` | Paste below |
+| `P` | Paste above |
+| `x` | Delete character |
+| `u` | Undo |
+| `Ctrl+r` | Redo |
+
+---
+
+## 🔍 Searching
+
+| Command | Description |
+|---------|-------------|
+| `/word` | Search forward |
+| `?word` | Search backward |
+| `n` | Repeat search forward |
+| `N` | Repeat search backward |
+
+---
+
+## 🛠️ Replace
+
+| Command | Description |
+|---------|-------------|
+| `r<char>` | Replace one character |
+| `R` | Enter replace mode |
+| `:%s/old/new/g` | Replace all in file |
+| `:s/old/new/g` | Replace all in current line |
+
+---
+
+## 📁 Working with Files
+
+| Command | Description |
+|---------|-------------|
+| `:e filename` | Open another file |
+| `:ls` | List open buffers |
+| `:b2` | Switch to buffer 2 |
+| `:w newfile` | Save as new file |
+
+---
+
+## 🧩 Plugins (Optional)
+
+Use a plugin manager like `vim-plug` to extend Vim:
+
+```vim
+call plug#begin('~/.vim/plugged')
+Plug 'preservim/nerdtree'         " File explorer
+Plug 'junegunn/fzf.vim'           " Fuzzy finder
+call plug#end()
+```
+
+---
+
+## 📚 Resources
+
+- [Vim Official Website](https://www.vim.org)
+- [Interactive Tutorial](https://www.openvim.com)
+- [Cheat Sheet](https://vim.rtorr.com)
+- `:help` in Vim to access built-in documentation