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Three pieces of software are required to participate in the contest:

1. Telnet 3270 Emulator (TN3270) - access mainframe environment applications such as z/OS ISPF. TN3270 is a text only interface.
2. SSH Client - access z/OS Unix System Serivces shell using VT100 or VT220 terminal emulation. A text only interface.
3. Web Browser - Done, given you are reading this text.

TN3270 Emulator and SSH Client installation for Windows, Linux, and Mac are described in the Preparation Guide > Required Workstation Software.

TN3270 Emulator and SSH Client configuration for Windows, Linux, and Mac are described in the Preparation Guide > Connection Instructions.

Next: z/OS ISPF