# Click '''OK''' or press '''ENTER''' at the second Authentication Response dialog box.<br><br>'''NOTE:''' If you encounter an '''error message''', this can occur for several reasons:<ol><li>You mis-spelled the name of the server</li><li>You mis-spelled your Matrix username (same username that you connect to my.senecacollege.ca)</li><li>You mis-spelled your password (same password that you connect to my.senecacollege.ca)</li></ol><br>If you encountered an error logging in, issue the same steps to connect to your Matrix account,<br>but carefully check your server name, username and your password. If you continue to experience the same problems,<br>you can go to the computer help desk in the learning commons to get help.<br><br>[[Image:ssh-shell-window.png|thumb|right|150px|Matrix Shell Command Line Interface ]]

#If you entered your password correctly, the main SSH Linux shell should appear where you enter Linux commands.<br><br>The '''Matrix''' server has been configured to allow users to '''only interact with the Linux OS by issuing commands'''. There are various reasons for this, but the main 2 reasons are to '''force students to learn how to issue Linux commands''' as well as '''limitations to remote access to a graphical Linux serve'''r due to large number of users (students).<br><br>Later in the course, your instructor may demonstrate other ways of accessing '''graphical versions of Linux''', and how to launch a shell terminal.<br><br>[[Image:ssh-settings-window.png|thumb|right|150px|SSH Settings Dialog Box ]]

You can '''configure''' the SSH application to adjust elements such as the '''window size''' and '''text font type''' and text '''font size'''. We will be showing you how to configure your SSH Secure Shell Client, but the other applications can allow you to configure their settings.<br><br>

# Click on the '''Edit''' menu item, and then select '''Settings''' in the Edit drop-down menu.<br><br>

# To change the size of your shell window, under the ''Global Settings'' section, click '''Appearance'''<br><br>