NotePad SX 1.0
Have you ever tried to edit your text documents with the tabbed interface? Use NotePad SX!
NotePad SX is a fast, stable, user-friendly, tabbed plain text editor
NotePad SX is not only the great looking replacement and upgrade of standard Windows Notepad, but it gives you an ability to feel the power of plain text editing with many additional abilities.
Try Full Screen mode and forget about what operating system do you use, it layout and limitations.
NotePad SX is freeware.
Download: NotePad SX 1.0