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--- home_server:home_server_setup:other_services:vim [2024-03-24 Sun wk12 11:04] – [VIM Customisation] baumkp
+++ home_server:home_server_setup:other_services:vim [2024-03-24 Sun wk12 14:04] (current) – [nocompatible] baumkp
@@ Line 1: / Line 1: @@
 {{tag>vim neovim command linux debian text editor setup customise customisation cheatsheet}}
+======VIM Editor======
+When using ''sudo vim'' consider ''sudo -E''. The ''-E'' flag to retain the user environment variables for vim.
 =====VIM Customisation=====
 ++++~/.vimrc|
-<code bash>:colorscheme desert
+<code bash>colorscheme desert
-:set nocompatible
+set nocompatible
 syntax on
-:set number relativenumber
+set number relativenumber
 set autoindent expandtab tabstop=2 shiftwidth=2
 filetype plugin on
@@ Line 19: / Line 21: @@
 The different VIM colour scheme definition files are located at ''/usr/share/vim/vim90/colors''.
+====nocompatible====
+Original vi had some strange key bindings, e.g. the cursor keys did not function. the ''nocompatible'' flag tends to resolve this.  When using the ''.vimrc'' configuration file the ''nocompatible'' flag is reportedly set automatically.  Nevertheless it is worthwhile setting this.
 ====vim syntax color====
 If syntax color is not working in the file ''.vimrc'' (''vim ~/.vimrc''), add the following line ''syntax on''.
 ====vim line numbers====
+In .vimrc, add ''set number relativenumber'' other options include:
+  * ''set number'' sequentially numbers from top at 1 to bottom.
+  * ''set relativenumber'' sets current line at 0 and numbers sequentially from 1 above and below
+  * ''set number relativenumber'' sets current line at actual line number and numbers sequentially from 1 above and below
+  * ''set nonumber'' set numbering off
+In visual mode '':set number!'' toggles the current number setting.  Probably can not use this one in ''.vimrc''.
 ====VIM Text Editor====