# Press <span style="color:blue;font-weight:bold;font-family:courier;">ctrl-d</span> to send your message.<br><br>

# Switch to your Seneca email and check for new email messages.<br><br>Did you receive that email message? Does the email contain a file attachment?<br><br>

# Return to your shell and issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">mail yoursenecaid@myseneca.ca &lt; ~/remote/myfile.txt</span><br><br>What happened?<br><br>

# Check your email to see if you received your email message. If you did, what do you notice regarding the subject line?<br><br>You should have noticed that there was '''NO''' customized '''subject line''',<br>since you redirected '''standard input''' (''stdin'') from the file, thus there was no way for the user to send a subject line.<br><br>You can use the '''-s''' option, followed by text (in quotes) to specify a '''subject line'''.<br><br>