GNU nano is een teksteditor voor Linux- en Unix-systemen, en draait op de commandline. Daardoor heeft het geen grafische desktop nodig. Het biedt onder andere syntaxcoloring, zoek- en vervangopties, wordcompletion en het automatisch toepassen van back-ups voor gewijzigde bestanden. Het ontwikkelteam heeft versie 4.0 klaargezet met de volgende aankondiging:
GNU nano 4.0 "Thy Rope of Sands"
- An overlong line is no longer automatically hard-wrapped.
- Smooth scrolling (one line at a time) has become the default.
- A newline character is no longer automatically added at end of buffer.
- The line below the title bar is by default part of the editing space.
- Option --breaklonglines (-b) turns automatic hard-wrapping back on.
- Option --jumpyscrolling (-j) gives the chunky, half-screen scrolling.
- Option --finalnewline (-f) brings back the automatic newline at EOF.
- Option --emptyline (-e) leaves the line below the title bar unused.
- <Alt+Up> and <Alt+Down> now do a linewise scroll instead of a findnext.
- Any number of justifications can be undone (like all other operations).
- When marked text is justified, it becomes a single, separate paragraph.
- Option --guidestripe=<number> draws a vertical bar at the given column.
- Option --fill=<number> no longer turns on automatic hard-wrapping.
- When a line continues offscreen, it now ends with a highlighted ">".
- The halfs of a split two-column character are shown as "[" and "]".
- A line now scrolls horizontally one column earlier.
- The bindable functions 'cutwordleft' and 'cutwordright' were renamed
- to 'chopwordleft' and 'chopwordright' as they don't use the cutbuffer.
- The paragraph-jumping functions were moved from Search to Go-to-Line.
- Option --rebinddelete is able to compensate for more misbindings.
- Options --morespace and --smooth are obsolete and thus ignored.
- The --disable-wrapping-as-root configure option was removed.