The DEL command is an editing command used to delete the current line from the buffer:
DEL [{b
|*|LAST}[ {e
|*|LAST}]]
where:
Is the command, which may not be abbreviated.
Is a line number representing the beginning of a range of lines to delete. If no ending line number is specified, then only this one line will be deleted.
Is a line number representing the end of a range of lines to delete.
The asterisk refers to the current line number. It may be used in place of a line number to mark either the beginning or the end (or both) of a range of lines to be deleted.
LAST functions similarly to *, but refers to the last line in the buffer.
DEL, and all the other editing commands, are described in Chapter 2.