Ctrl + r	Repeat same command
Ctrl + a	Move cursor to head of line
Ctrl + e	Move cursor to end of line
Ctrl + b	Move cursor to left
Ctrl + f	Move cursor to right
Ctrl + d	Delete one character at cursor
Ctrl + h	Delete one character left of cursor
Ctrl + u	Delete from cursor to head of line
Ctrl + k	Delete from cursor to end of line
Ctrl + w	Delete one word at cursor
Ctrl + y	Paste deleted characters
Ctrl + s	Lock
Ctrl + q	Unlock