Scroll up one line without scrolling the cursor

`Alt` + `_`

All hotkeys for Nano

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