Connect to 3270 host IBM Mainframe using Mac Terminal (c3270)

In this article, we will take a look at how to easily connect to the IBM 3270 host to connect to an IBM mainframe computer in two steps.

Step 1: Install x3270 unitily

    IBM 3270 terminal emulator for the X Window System and Windows

    Support List:
    ProcessormacOS Version
    IntelBig Sur
    Apple Silicon (M1/M2)Ventura
    Apple Silicon (M1/M2)Monterey
    Apple Silicon (M1/M2)Big Sur

    For this, make sure you have homebrew installed on your device using by running the command brew --version command in the Terminal. If not follow the below article to get it installed.

    To install 3270 run the below command in the Terminal.

    brew install x3270 

Step 2: Connect to IBM Mainframe using c3270

    c3270 is an interactive 3270 emulator that runs on a character-mode terminal on a POSIX system.

    Read more:

    Now that you have installed x3270, you can execute the commands using c3270

    c3270 hostname/ip address

    Next you will be asked to log in and provide details as

    login userId

You are now connected to the IBM Mainframe computer using the Mac Terminal and should be able to see the z/OS screen.

IBM 3270

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Rakesh (He/Him) has over 14+ years of experience in Web and Application development. He is the author of insightful How-To articles for Code2care.

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