nano 的快捷键怎么这么乱啊，copy和cut就不能用两个相似的组合吗

Ctrl+K Cut current line into cutbuffer
Alt+6 Copy current line into cutbuffer
Ctrl+U Paste contents of cutbuffer
Alt+T Cut until end of buffer
Ctrl+] Complete current word
Alt+3 Comment/uncomment line/region
Alt+U Undo last action
Alt+E Redo last undone action