cursor up ............... CTRL-K,UP    cursor to line-begining . CTRL-A,HOME
cursor down  ............ CTRL-J,DOWN  cursor to line-end ...... CTRL-E,END

line/block delete  ...... CTRL-Y       one page return ......... CTRL-B,PAGEUP
clear until line-end .... CTRL-T       one page additional ..... CTRL-F,PAGEDN

repaint screen   ........ CTRL-R       insert-mode on/off ...... CTRL-V,INSERT
repaint line  ........... CTRL-L       setup (only shell-user) . CTRL-S

save data to disk  ...... CTRL-W       status .................. CTRL-G
complette input-data .... CTRL-X       columy-ruler ............ CTRL-P

mark block  ............. CTRL-Q       select attribut ......... CTRL-U
RTF on / off  ........... CTRL-N       vi-command-mode  ........ ESC:

All CTRL-? commands you can replaye with ESC ?.

For Example:
CTRL-G          ESC g
 Use the key <ESC> and <g> (!)
Instead of CTRL, you can use the ALT-key.