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→INVESTIGATION 3: FILE TRANSFER (EMAIL)
In this section, you will learn how to '''transfer''' a file from your Matrix server to another computer by sending<br>an '''email message''' with a '''file attachment'''.
# Press <span style="color:blue;font-weight:bold;font-family:courier;">ctrl-d</span> to send your email message.<br><br>Did any output display? What you do think '''EOT''' stands for?<br><br>
# Launch a '''web-browser''', login into your '''Seneca email''' account and check for new email messages.<br>Did you receive the email message that you sent from your Matrix server?<br><br>If you did NOT receive an e-mail message, check the '''JUNK''' or '''CLUTTER''' folders.<br>If you still did not receive an email message, return to your terminal and re-issue the '''mail''' command<br>making certain that you pressed <span style="color:blue;font-weight:bold;font-family:courier;">ctrl-d</span> instead of pressing '''ctrl-c'''<br><br>
# Return to your terminal (i.e. Linux Bash shell ) and issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">mail -a ~/remote/myfile.txt yoursenecaid@myseneca.ca</span><br><br>
# When prompted, enter the subject line: <span style="color:blue;font-weight:bold;font-family:courier;">Test Message with Attachment</span><br> and press <span style="color:blue;font-weight:bold;font-family:courier;">ENTER</span><br><br>
# In the email message '''BODY''' section, type the following text displayed below (and press '''ENTER'''):<br><span style="font-weight:bold;font-family:courier;">This is a test email message with a file attachment</span><br><br>
# 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 your Seneca for new email for messages. Did you receive that email message?<br><br># Check your email to see if Did you received your receive that email message. If you did, what do you notice? Does the email contain a file attachment?<br><br># Return to your Linux Bash shell and issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">mail yoursenecaid@myseneca.ca < ~/remote/myfile.txt</span><br><br>What happened? Were you prompted for subject and could you enter text in email body?<br>Did you see a file attachment as a separate file, or just text?<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 so there was no way <br>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># Return to your Linux Bash shell and issue the following Linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">mail -s "email with attachment" yoursenecaid@myseneca.ca < ~/remote/myfile.txt</span><br><br>
# Check your email to see if you received your email message. If you did, what do you notice this time?<br><br>
# After completing this INVESTIGATION, perform the LINUX PRACTICE QUESTIONS at the end of the tutorial.<br><br>
