zile

Zile is a lightweight clone of the Emacs text editor. More information: https://www.gnu.org/software/zile/.

• Start a buffer for temporary notes, which won't be saved:
  zile
• Open a file:
  zile {{path/to/file}}
• Save a file:
  Ctrl + X, Ctrl + S
• Quit:
  Ctrl + X, Ctrl + C
• Open a file at a specified line number:
  zile +{{line_number}} {{path/to/file}}
• Undo changes:
  Ctrl + X, U