So while reading the LPIC 1 certification book I compiled a list of the most used commandline shortcuts at that moment.
There are of course many more interesting commands, this is just a short list.
Ctrl+P = upCtrl+N = downCtrl+R = backwards searchCtrl+G = don't searchCtrl+A = beginning of lineCtrl+E = end of lineCtrl+Left/Right = word at a timeCtrl+D = Del buttonCtrl+K = deletes all text from cursor to end of lineCtrl+X + Backspace = deletes all text from current cursor to beginning of lineCtrl+T= transpose characterEsc + t = transpose wordsEsc+U = from cursor to end of word => UPPERCASEEsc+l= from cursor to end of word=>lowercaseEsc+C = convert letter under cursor to uppercaseCtrl+X & CTRL+E = start editor defined by $EDITOR