To Login to Titan

Titan ( is the main Computer Science system that you can access from anywhere. Once you connect to this system you will be able to access the other CS systems that your account provides access to.

Note: If you forgot your CS Password please use the form here ( to change your CS Account password.

Using PuTTY on Windows you can create a new saved session as  Ensure the Host Name (or IP address) field is set to Once that is set, you can click the Open button and you will be prompted for your CS account login information.

To login to Titan, if you are using a Mac or Linux system, you can open a terminal window, or if you are using Windows 10, you can open a command prompt, and then in either case do:

ssh <your_username>

This will then prompt you for your CS account password, once you have entered it, you will be logged into Titan.

    • This account is provided in order to allow you to complete work related to a class or research. Computer Science machines are not provided for personal use.

    • There are disk quotas on this system. If you run out of disk space remove old object and executable files. Files can also be compressed using the tar or zip command. You can also transfer files from your CS account to your local computer and then remove them from your CS account to free up space. To break down how much space each directory is using you can run the command du -ch --max-depth=1 in your home directory.

    • Please change your password immediately at Secure Services / Password. If you forget your CS password you can use that form to reset it to a new CS password. (You may have to wait upto 5 minutes before the new password will be usable on Titan)

    • Files on this machine are backed up nightly. Even so, for your own safety, you should copy important files to a USB drive by using WinSCP on any PC in the student labs.

    • Help can be obtained from the on-line man command. (ex: man ls) You can also search for keywords. (ex: man -k file) You can also get help about the 'man' command by using: man man.

    • If there is a problem with Titan you can send mail to Please specify an equipment description, machine name, symptoms, anything you tried to resolve the problem, etc. Be descriptive.

  • This account will only be maintained for semesters in which you are registered in CS classes.