Editing

• i : insert
• I : insert at beginning of line
• a : append
• A : append at end of line
• dd : delete current line
• x : delete character
• r : replace current character
• R : replace mode
• s : substitute character and insert

Copy / Paste

• i : insert
• I : insert at beginning of line

• yy : copy the current line
• [number]yy : copy [number] lines
• yG : copy from cursor to end of file
• yW : copy from cursor to end of word
• y$ : copy from cursor to end of line
• P : paste above cursor
• p : paste below cursor

Saving and Quitting

• :w : save current file
• :x : save and quit current file (same as ZZ)
• :q! : quit without saving

Line numbers

• :set number/kbd> : show line numbers
• :set nonumber : hide line numbers

Substitutions

• :%s/^V^M//g : removes line breaks from file.

For ^V press ctrl-V and for ^M press ctrl-M

Navigating your file

• g : end of file
• 1g : beginning of file
• $ : end of line
• 0 : beginning of line
• : + [number] : goto line [number]

Folding

• zo : opens the fold
• zf : creates the fold
• zc : closes the fold