⌘ Command (or Cmd) ⇧ Shift ⌥ Option (or Alt) ⌃ Control (or Ctrl)
^ + G (F1) Display this help text
^ + X (F2) Close the current file buffer / Exit from nano
^ + O (F3) Write the current file to disk
^ + J (F4) Justify the current paragraph
^ + R (F5) Insert another file into the current one
^ + W (F6) Search for a string or a regular expression
^ + Y (F7) Move to the previous screen
^ + V (F8) Move to the next screen
^ + K (F9) Cut the current line and store it in the cutbuffer
^ + U (F10) Uncut from the cutbuffer into the current line
^ + C (F11) Display the position of the cursor
^ + T (F12) Invoke the spell checker, if available
^ + _ (F13) (⌥ + G) Go to line and column number
^ + \ (F14) (⌥ + R) Replace a string or a regular expression
^ + ^ (F15) (⌥ + A) Mark text at the cursor position
(F16) (⌥ + W) Repeat last search
⌥ + ^ (⌥ + 6) Copy the current line and store it in the cutbuffer
⌥ + } Indent the current line
⌥ + { Unindent the current line
^ + F Move forward one character
^ + B Move back one character
^ + Space Move forward one word
⌥ + Space Move back one word
^ + P Move to the previous line
^ + N Move to the next line
^ + A Move to the beginning of the current line
^ + E Move to the end of the current line
⌥ + ( (⌥ + 9) Move to the beginning of the current paragraph
⌥ + ) (⌥ + 0) Move to the end of the current paragraph
⌥ + \ (⌥ + |) Move to the first line of the file
⌥ + / (⌥ + ?) Move to the last line of the file
⌥ + ] Move to the matching bracket
⌥ + - (⌥ + _) Scroll up one line without scrolling the cursor
⌥ + + (⌥ + =) Scroll down one line without scrolling the cursor
⌥ + < (⌥ + ,) Switch to the previous file buffer
⌥ + > (⌥ + .) Switch to the next file buffer
⌥ + V Insert the next keystroke verbatim
^ + I Insert a tab at the cursor position
^ + M Insert a newline at the cursor position
^ + D Delete the character under the cursor
^ + H Delete the character to the left of the cursor
^ + K Delete entire line
⌥ + T Cut from the cursor position to the end of the file
⌥ + J Justify the entire file
⌥ + D Count the number of words, lines, and characters
^ + L Refresh (redraw) the current screen
⌥ + X Help mode enable/disable
⌥ + C Constant cursor position display enable/disable
⌥ + O Use of one more line for editing enable/disable
⌥ + S Smooth scrolling enable/disable
⌥ + P Whitespace display enable/disable
⌥ + Y Color syntax highlighting enable/disable
⌥ + H Smart home key enable/disable
⌥ + I Auto indent enable/disable
⌥ + K Cut to end enable/disable
⌥ + L Long line wrapping enable/disable
⌥ + Q Conversion of typed tabs to spaces enable/disable
⌥ + B Backup files enable/disable
⌥ + F Multiple file buffers enable/disable
⌥ + M Mouse support enable/disable
⌥ + N No conversion from DOS/Mac format enable/disable
⌥ + Z Suspension enable/disable
^ + W Search for text
^ + R Find and Replace text