The test application tshello is located in the directory,
This directory contains some very simple user applications.
Based on ``hello, world,'' tshello is the generic Cplant test application, writing a simple message to standard output. It can be run on any number of nodes without command line arguments and does not use the MPI library. It does link with the puma library and the Cplant startup code. The latter sets up the portals communications for the application. Note that in the abscence of an IO mechanism on compute nodes, portals are used to pipe IO to and from the user application to the load application, yod, which does proxy IO on the service node.
tshello can be built by doing ``make'' in the above Cplant directory. The application is run without any arguments.