Introduction to Vi
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This document provides an overview of the VI/Vim text editor, including its modes (command, insert, visual), common navigation shortcuts like hjkl, how to insert and select text, common commands, and how to configure Vim as an integrated development environment with plugins.
Introduction to Vi
- 1. vi Vim, Nvim
- 3. Why VI editor? 1.Move your fingers not hands. 2.Fast editing and movement 3.Light weight 4.Many plugins
- 4. Vim Modes Three Modes 1.Command Mode - ESC, Ctrl-c (We navigate, hit shortcuts) 2.Insert Mode - i, a, s (We write here) 3.Visual Mode - v, Ctrl-v (We select text here) Visual Mode isn’t provided in ‘vi’ editor, its added in vim.
- 5. Never Forget hjkl In Command Mode 1.h - Left 2.j - Down 3.k - Up 4.l - Right 5.:w - save 6.:wq - save and quit
- 6. Insert Mode 1.i - insert where the cursor is 2.a - insert next position 3.s - delete current position and insert
- 7. Visual Mode 1.v - start selection 2.Ctrl-v - Vertical selection 3.Shift-v - Select by line Try: ‘Shift-v’ and press ‘y’ then ‘p’
- 8. Common Shortcuts 1.Using numbers for navigation: a.10l - position cursor after 10 letters (left direction) b.99k - move up 99 lines (k is up) c.33s - delete 33 letters and then insert 2. Ctrl-d = page down 3.Ctrl-b = page up 4.:%s/old_pat/new_pat/g = replace old_pat with new_pat
- 9. Vim as an IDE 1.Syntax highlighting = syntastic 2.Autocomplete = youcompleteme, jedi-vim, ctags 3.Browse files = nerdtree, ctrlp 4.Status = Vim airline 5.Git = fugitive 6.Code snippets = Ultisnips 7.Edit history = Gundo
- 10. Basic Vimrc syntax on filetype plugin indent on set autoindent set backspace=indent,eol,start set expandtab " enter spaces when tab is pressed set tabstop=4 " use 4 spaces to represent tab set shiftwidth=4