VI Tips

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Useful Commands

When starting VIM you are in the normal mode. Pressing i brings you in the insert mode. Pressing in the normal mode v brings you in the visual mode.

Command	Mode	Description
D	normal	Delete all till end of line
U	visual	Makes selected characters uppercase

Bookmarks

You can use for X any letter, e.g. a or S (better use lowercase).

Command	Action	Description
m`X`	Create a bookmark at the cursor position for `X`	Best use lowercase letters as bookmarks
'`X`	Jump to the line for `X`
``X`	Jump to the line and position for `X`
:marks	Lists all bookmarks
:marks a1	Lists bookmarks for `a` and `1`
:delmarks a1	Deletes bookmarks for `a` and `1`	You can use ranges, e.g. `:delmarks a-z`
:delmarks!	Deletes all lowercase bookmarks for this buffer

Source: VIM Wiki

.vimrc

syntax on
set tabpagemax=100
set hlsearch
set autoindent
set cindent
set shiftwidth=4
set tabstop=4
set fileencoding=utf8
set tabpagemax=100

" Do not append \n at EOF (important at binary files!)
set nofixendofline

" disable uncompressing of *.gz, *.bz2, etc
let loaded_gzip = 1

" disable displaying of contents of *.tar file
let g:loaded_tarPlugin = 1
let g:loaded_tar       = 1

" Make Vim jump to the last position when reopening a file
if has("autocmd")
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif

Search and Replace

When searching \r is Carriage Return.
When searching \n is New Line.
When replacing \r is New Line.

Source: vim.wikia.com

Count Occurrences

When replacing a string, VIM prints the statistics. When doing a replace with the n-Flag - only the statistics are printed and the replace does not take place:

:s/WARNING//n

Source: fandom.com