It can also use traceroute to discover the route to a host, and ping any or all of the hosts along the route. Start is a tcl mimic of the MS-Windows Start button. SumCol sums a column of numbers. DC produces a window with a list of TCP connections. DC is a simple protype of a tcl TCP server process.
Test is a software-test program.
It runs a suite of tests, compares the results with samples of correct output, and reports failures. DC is a tcl wrapper for the traceroute command. Other processes use the source command to ask for URLs and get asynchronous notification when the contents arrive. Unshar and UnpackKit unpack a flock of shar kits. They have somewhat diferent extra goodies.