~/.kde/share/config/khexeditrc, section [General Options]: TabBarPosition=1
Alternatively, select it from the menu: Settings->Document Tabs->Above Editor. (I'm using the German locale, no idea whether I translated it correctly.)
~/.kde/ share/config/ khexeditrc, section [General Options]:
TabBarPosition=1
Alternatively, select it from the menu: Settings->Document Tabs->Above Editor.
(I'm using the German locale, no idea whether I translated it correctly.)