vi ∆

• I - start editing in Insert mode
• R - start editing in Overwrite mode
• Esc - Leave editing
• : - Goto Command mode
• 2yy - Yank 2 lines into buffer
• 2dd - Cut 2 lines into buffer
• P - paste before cursor
• p - paste after cursor
• y$ - Copy everything from the cursor to the end of the line

copy paste ∆

https://linuxize.com/post/how-to-copy-cut-paste-in-vim/

search and replace ∆

https://www.baeldung.com/linux/vim-search-replace#basic-search-and-replace-using-slash-and-dot

Command mode: ∆

• / - Search
• w - write file
• q - quit VI
• q! - quit VI discarding the changes made

Actions ∆

• d - couper

• y - copier

• dis to delete inside a sentence.

• das to delete around a sentence.

• dip to delete inside a paragraph.

• dap to delete around a paragraph.

Items ∆

• w - word
• p - paragrap
• $ - end of line
• ^ - beginong of line
• e - end of word
• } - end of paragraph