4 week 3rd session vim enters edit mode command mode

Enter edit mode

Enter the mode in which the document can be edited

Key	function
I	Insert in current character
I	Insert at the beginning of the line where the cursor is located
A	Insert in current word specifier
A	Inserts at the end of the line where the cursor is located
O	Insert a row below the line where the cursor is located
O	Insert a row above the line where the cursor is located

Vim Command mode

Command	function
/word	Look for a string after the cursor word, press N to go back to search, N to return to search
? word	Find a string before the cursor word, press N to continue searching
: n1,n2s/word1/word2/g	Find word1 between n1-n2 row ranges and replace with Word2, and no G replaces only the first word1 of each row
: 1, $s/word1/word2/g	Replaces all word1 in the document with Word2, and replaces only the first word1 of each line
Attention	When replacing a path or ambiguous character, such as/etc/sysconfig, you need to use # or @ instead of "/" in the search, i.e.: #/etc/sysconfig#
: W	Save text
: Q	Exit Vim
: w!	Force save, root user, even if read-only can save
: q!	Force exit, all changes are not valid
: Wq	Save and exit, modify Mtime
: X	Save and exit, do not modify Mtime
: Set Nu	Show line Numbers
: Set Nonu	Do not display line numbers
: Nohl	Do not display highlighting

Vim Practice

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4 week 3rd session vim enters edit mode command mode