Appended vs Unappended - What's the difference?

As a verb appended

is past tense of append.

not appended.

(head)

(append)

(en verb)

To hang or attach to, as by a string, so that the thing is suspended; as, a seal appended to a record; the inscription was appended to the column.

To add, as an accessory to the principal thing; to annex; as, notes appended to this chapter.

(computing) To write more data to the end of a pre-existing file.

* prepend

(en noun)

(computing) An instance of writing more data to the end of an existing file.

(en adjective)

Not appended.