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If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available. If the Mac logic board was just replaced, you may be offered only the latest macOS that is compatible with your Mac. ”Parallels Desktop is the easiest, fastest, and most tightly integrated app for running Windows apps or the Windows desktop in Apple OS X.”Edward Mendelson, PCMag.com “The latest version of Parallels, the popular Windows virtualization tool for Mac OS X, almost feels like its trolling Apple.”Engadget. If the question mark appears only momentarily before your Mac starts up normally: Reset NVRAM. Make sure that your preferred startup disk is selected in Startup Disk preferences. If the question mark persists, follow these steps: Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Marks in the Terminal. The new Terminal marks (available starting with OS X 10.11 - El Capitan) are similar to Bookmarks, which are also available in the Terminal, allowing you to mark window positions and then giving you the option of going back at a later point. Marks (or Bookmarks) don't refer to your command history, but to the scroll buffer used in the Terminal window/tab.

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Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by a product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.

If your macOS isn't up to date, you may be able to update to a later version.

Which macOS version is installed?

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

Which macOS version is the latest?

These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.

Connecting to cse.unl.edu and other unix servers with ssh from a Macintosh

1. Launch a terminal window. Type ⌘-K to launch spotlight. Type 'Terminal' and you should see the 'Terminal' application. click to launch.
2. Type in ssh cse-login-id@hostname where hostname would be cse.unl.edu or another server running an ssh server and cse-login-id is your login id (credentials) for CSE systems.

An example of this using the Terminal application: The user's CSE login id is 'jsmith'

On your first connection to a server, you may see a message from SSH indicating that the host authenticity is unknown.

This only occurs on the first connection to a host and you should respond to the question with a 'yes' (as shown above) so the host becomes authenticated.

Connecting to the Windows Terminal Server from Mac OS

1. On Your Mac open the 'App Store' application and install the 'Microsoft Remote Desktop' application. Please be sure to install version 10 of this application.

2. Launch Microsoft Remote Desktop.

3. Click the button labeled 'Add Desktop'.

4. Complete the Pop-up Connection Dialog as described below:

i. PC name: csnt-ts.unl.edu

ii. User Account: You can either choose 'Ask me every time' or 'Add User Account ...' (see below)

iii. Freindly Name: CSE Terminal Server

5. If you chose 'Add User Account ...' above complete the Add User Account as described below:

Username: CS.UNL.EDUusername (where 'username' is your cse login ID)

Password: your cse-password

Friendly name: CSE Terminal Server or csnt-ts The choice is up to you

6. Click the Add button for the 'Add User Account Dialog' and for the 'Add Desktop' dialogs.

7. You will now see a window that looks like the following:

8. Double click the Desktop you just added 'csnt-ts'

9. When you connect you will get a dialog like the one below. Click Continue.

10. You will either bet presented with a login screen or your csnt-ts desktop, depending on whether your selected 'Ask me every time' or 'Add User Account ...' in step 4.

11. When you disconnect the blank preview or your 'Saved Desktops' will be changed to a thumbnail of your actual desktop.

Connecting to the Windows Terminal Server from Mac OS

1. On Your Mac open the 'App Store' application and install the 'Microsoft Remote Desktop' application.
2. Launch Microsoft Remote Desktop
3. From the Main menu bar, select File -> New
4. Complete the Pop-up Connection Dialog as described below:
   1. Name the Connection with a descriptor of your choice
   2. The 'PC name' will be: csnt-ts.unl.edu
   3. A gateway is not required
   4. Use your CSE credentials. Please Note how the login is preseed with 'CS.UNL.EDU'
   5. If 'Native' Resolution does not work, select one that is suitable to your device.
   6. Uncheck 'Start session in full screen' if you would rather have the windows desktop appear in a window.
   7. Uncheck 'Use all monitors' if you have a multi-monitor Mac and would like the windows desktop to be on one screen.
5. Close the dialog by clicking on the 'x' on the upper left on the dialog
6. The new connection will now appear on the main 'Microsoft Remote Desktop' Pane.
7. Double click on the created connection to establish a remote connection to the terminal server.

A sample new connection dialog is shown below

Printing from Mac via SMB 10.8+

Note: Printing only works when you are on a Nebraska network.

1. Open System Preferences. Either click on the Apple Menu on the main menu bar at the top of the screen and then select System Preferences, or bring up spotlight by holding down ⌘-space and then typing System Preferences
2. Then click Printers & Scanners (or Printers & Fax). Note: Your System Preferences may look different.
3. Click on the '+' button on the lower left to start the process of adding a new printer
4. In the 'Add' dialog, right click the bar at the top. and click, Customize Toolbar.
5. If you are running 10.8, 10.9 or 10.10, setup an advanced printer as show. The printer Type is 'Windows printer via spoolss'. In the URL, use the short name and type in smb://csnt.unl.edu/PRINTER. Replace PRINTER with one of the printer names shown below. For example, if you wanted to print to the pinter in Avery 15, you'd use Avery-ps15. To see a list of printers you have access to, go to: http://cse.unl.edu/check. Finally, for Name, give it something memorable. It's only an identifier. Finally for the Print Using option, select generic postscript.
6. Click add. Your printer should now be added. Print a test page to make sure everything works.
7. When you print to this printer for the first time, you will be prompted for your login and password. Prefix your cse loginID with the windows domain 'cs.unl.edu' as shown below. Check the 'Remember this password in my keychain' checkbox as shown.

When you change your CSE password

When you change your Windows password, you will need to launch the keychain utility and delete the stored old password for this printer. The keychain record, will be found in the 'Login' keychain, in the 'Passwords' category and will be named the same as the printer name, simply select this record and delete this entry. The next time you print you will be prompted for the new password which must be entered as described above.

List of Samba Printers, Printer Model and Drivers to Use

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Setting up Mac Mail on OSX 10.8+ (legacy users)

1. Launch Apple Mail (which will be known as Mail).
2. Select 'Mail' from the menu bar, then select preferences. Or use the keyboard command. 'cmd+,'
3. This brings up the preferences dialog, Select the 'Accounts' tab on the top of the window. When presented with the accounts window click the plus button in the lower left corner to add a new account.
4. Select 'Add Other mail account' and click on 'Continue'
5. Fill in the required information. Please use your full name, CSE email address, CSE password and click on 'Create'.
6. Make sure 'Account Type' of IMAP is selected and the mail server is 'cse-mail.unl.edu'. Enter your CSE login for the User Name and click on 'Next' Note that the login does not have the '@cse.unl.edu' specified.
7. On the next screen enter 'Mail' as the path prefix and make sure 'use SSL' is selected then click 'Next'. Note The 'Path Prefix' is a subfolder on your home directory where mail fodlers are kept. If not specified, your mail folders will be kept on your home directory.
8. For the outgoing mail server, again enter cse-mail.unl.edu and your CSE login and password and click 'Create'
9. A new mail account, will be shown on the preferences tab. Close the preferences tab to complete setup on your mail.
10. If use have issues, contact support@cse.unl.edu for further assistance.

Connecting to your home directory from a Mac from off campus

The simpler method to access your home directory(Z: drive) from off-campus is to use an SFTP client like Cyberduck. This will allow you to easily transfer files between your cse.unl.edu account to your local computer. While a free version of Cyberduck is available online, users are cautioned to be mindful to download Cyberduck from a reputable source - as the source code is readily available online and can thus be easily modified and made venerable. A version is also available thru the Mac App Store as a paid app. We recommend the paid app store version as it ensures the source as reputable.

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To actually mount your files from an off-campus account you will need to configure a VPN client and then follow the instructions on mounting your drive from on campus. Both of these topics are discussed in other sections of this FAQ.

Connecting to your home directory from a Mac on campus

1. Click on the Finder icon on the desktop
2. On the Main menu bar, Click on the 'Go' pull down menu and select 'Connect to Server'. The keyboard short cut is ⌘-K
3. In the Server Address field enter: 'smb://cse-smb1.unl.edu/login_id' without the quotes and where login_id would be your CSE login ID. Click on 'Connect'
4. In the popup authorization dialog, make sure the Registered User checkbox is selected and enter your CSE credentials. Your cse login must be in the form: 'CS.UNL.EDUlogin_id' without the quotes and where login_id is your CSE login ID. Click connect.

Duplex Printing and Stapling on Canon IR Printers

• Go into system preferences, click on Printers and Scanners and then select the desired printer on the popup dialog
• Confirm that a Canon IR driver is installed for the printer (See 1 on image below)
  
• If the Canon IR driver is installed, click on the Options and supplies (see 2 on image above)
• Then click on the options tab(see 3 on imag eblow) on the pop up dialog
  
• Make sure the “Finisher S1” is selected under output options (see 4 on image above)
• Then when you go to print, you’ll need to select “Finishing” from the advanced options pull down( see 5 on image below)
  
• Finally select 2-sided printing (see 6 on image above) and check the Staple checkbox below that to staple the job.

Duplex Printing on Generic Postscript Printers

• Lauch system preferences, click on Printers and Scanners and then select the desired printer
• Make sure the generic postscript driver is installed for the printer in question (see 1 on image below>
  
• Click on options & supplies (step 2 on image above)
• Then click on the options tab (step 3 on image below) and make sure the duplexer box is checked (step 4 on image below)
  
• when you go to print, check the Two-sided printing checkbox(step 5 on image below)
  

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