kak

Kakoune is a mode-based code editor implementing the "multiple selections" paradigm. Data can be selected and simultaneously edited in different locations, using multiple selections; users can also connect to the same session for collaborative editing. More information: https://kakoune.org.

• Open a file and enter normal mode, to execute commands:

kak path/to/file

• Enter insert mode from normal mode, to write text into the file:

i

• Escape insert mode, to go back to normal mode:

<Esc>

• Replace all instances of "foo" in the current file with "bar":

%sfoo<Enter>cbar<Esc>

• Unselect all secondary selections, and keep only the main one:

<Space>

• Search for numbers and select the first two:

/\d+<Enter>N

• Insert the contents of a file:

!cat path/to/file<Enter>

• Save the current file:

:w<Enter>