Kill the text from the current cursor position to the end of the line. Kill backward to the beginning of the line. The killed text is saved on the kill-ring. By default, this is unbound. Kill from the cursor to the end of the current word, or if between words, to the end of the next word.
Word boundaries are the same as forward-word .
Kill the word behind the cursor. Word boundaries are the same as backward-word . Kill the word behind the cursor, using white space as a word boundary. The killed text is saved on the kill-ring. Delete all spaces and tabs around point.