Ubuntu Vim configuration file

Ubuntu Vim configuration file description
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After I installed ubuntu8.04beta, my vim became "loose" because I didn't set attributes in the configuration file. My ubuntu6.06 was configured by David for me, which was very fast, I have finished the experiment before I can see it clearly. I tried it today, so I searched the internet for the relevant content and tried to show me what I was doing. The experiment was basically successful!

My Vim configuration file location:
/Etc/Vim/vimrc

Content I added:

"-----------------------
"Basic settings
"-----------------------

"Do not use the Vi-compatible keyboard Mode
Set nocompatible

"Check file type
Filetype on

"Number of historical rows recorded
Set history = 1000

"After a file is modified, the backup is automatically performed. The backup file name is added to the original file name." ~ "Suffix
"If has (" VMS ")
"Set nobackup
"Else
"Set backup
"Endif

"You can use the mouse anywhere in the buffer.
Set mouse =
Set selection = exclusive
Set selectmode = mouse, key

"-----------------------
"Interface settings
"----------------------

"Display row number
Set Nu!

"Highlight the current row
Set cursorline

"Black Background
Set background = dark

"Remove toolbar from Vim's Gui version
Set guioptions-= T

"The cursor position is displayed in the lower right corner during editing.
Set ruler

"Always show the status line
Set laststatus = 2

"---------------------
"Format settings
"---------------------

"Automatic line feed
Set wrap

"Line feed
Set linebreak

"Automatic Alignment
Set autoindent

"Smart alignment
Set smartindent

"Set automatic indent
Set Ai!

"Set the tab key to 4 spaces.
Set tabstop = 4

"Do not use spaces instead of tabs
Set noexpandtab

"Set to 4 spaces for interlace
Set shiftwidth = 4

"Make the backspace key available
Set backspace = 2

"Allow backspace and cursor keys to span row boundaries
Set whichwrap + = <,>, H, l

"---------------------
"Programming settings
"---------------------

"Syntax High Brightness Display
Syntax on

"Set matching mode, similar to the right parenthesis that will be matched when a left parenthesis is entered.
Set showmatch

"--------------------
"Search Settings
"-------------------

"By default, the search result is displayed in High Brightness. This setting disables the highlighted display.
"Set nohlsearch

"Incremental search with input
Set incsearch