Deleting text

To...                           Do this..

Delete the character to         Press the DELETE key.
the left of the cursor.

Delete the character under      ^D
the cursor.

Delete from cursor to the       M-D
end of a word.

Delete from cursor to the       M-^H
start of a word.

Delete from cursor to the       ^K
end of a line.

Delete an entire line.          ^A^K

Undelete (yank back) a          ^Y
word or line.