If you have SSI enabled on the server and include that string in your .shtml file (ie index.shtml) or whatever you may have called it, it should display. If you have done this and it still doesn't work, try using this string instead.
That one could possibly work instead of the exec cgi one.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.