RTFM · Tools
vim survival and fluency
Editing on a server means vim eventually meets everyone. Survive the first hour honestly, then learn why its modal model repays the investment for decades.
Guaranteed exit paths
:q! # abandon changes, quit
:wq # save, quit
ZZ # synonym save-quit
Esc # return to normal mode from anywhereModal mental model
Normal mode interprets keystrokes as verb+noun commands rather than literal text. Insert mode (i/a/o) enters typing; Esc returns. Compositions become describable intentions rather than mouse marathons.
- Motion nouns: w word, b back-word, 0 line-start, $ line-end, gg doc-top, G doc-bottom.
- Verb prefixes: d delete, y yank, c change, gu lowercase, gU uppercase.
- Combinators compose: dw deletes word, d$ to end-of-line, ciw change inner word.
Practical editing patterns
/pattern<Enter> # search forward
:%s/old/new/gc # whole-file replace with confirmations
:r !date # insert command output
u / Ctrl-r # undo/redoIndispensable structural moves: visual select rows (V), then :sort; or '>' indent on selection. vim rewards thinking in structures bigger than characters.
Working config for sysadmin use
~/.vimrc:
set nocompatible
set number relativenumber
syntax on
set expandtab shiftwidth=4
set incsearch hlsearch
nnoremap <Space> :nohlsearch<CR>Prove it works: deliberate edit capability
open a remote config over SSH, perform targeted multi-spot changes, save confidently, exit deliberately — no consultation needed.
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