Alt-Backspace: cut the text from the cursor to the header. If the cursor starts with a word, cut the previous word 
Cursor movement command
 
Ctrl-A: Move the cursor to the beginning of the line.
 
Ctrl-E: Move the cursor to the end of the row.
 
Ctrl-F: Move the cursor one character forward.
 
Ctrl-B: Move the cursor one character backward.
 
Alt-F: Move the cursor forward a word.
 
Alt-B: Move the cursor backward.
 
Ctrl-L: clear the screen.
 
==============================================
 
Modify text
 
Ctrl-D: delete the character at the cursor.
 
Ctrl-T: enable the character at the cursor to match the character above it.
 
Alt-T: match the character at the cursor with the word above it.
 
Alt-L: converts characters at the cursor to lowercase letters.
 
Alt-U: converts the characters at the cursor into uppercase letters.
 
==============================================
 
Cut and paste text
 
Ctrl-K: cut the text from the cursor to the end of the line.
 
Ctrl-U: cut the text from the cursor to the beginning of the line.
 
Alt-D: cut the text from the cursor to the end of the current word.
 
Alt-Backspace: cut the text from the cursor to the header. If the cursor starts with a word, cut the previous word.
 
Ctrl-Y: paste the text in the buffer to the cursor position.