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--- home_server:home_server_setup:other_services:vim [2024-03-24 Sun wk12 10:51] – [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>
+<code bash>colorscheme desert
-: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 14: / Line 15: @@
 set shiftwidth=2
 set tabstop=2
-set expandtab
+set expandtab</code>
-</code>
+++++
 ====vim color scheme====
 I use the VI (or VIM) editor. It comes standard on most Linux and UNIX distributions, or can otherwise be installed. A key feature I configure is the VIM colour scheme, as the standard colour scheme does not work well with black background terminal windows I prefer to use. Simply create the file on home directory, ".vimrc" (''vim ~/.vimrc'') and add the line '':colorscheme desert''.
 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====