use of mail on command line

Question

I am trying to use the mail on the command line to send a message to don How do you end the message I do mail don

put my message in and cannot send it. I have to kill the process

Answer 1

Press CTRL-D.

Example:

$ mail -s "Hello World" someone@example.com
Cc: 
Hi Peter
How are you
I am fine
Good Bye
<Ctrl+D>

http://www.binarytides.com/linux-mail-command-examples/