stop-process

Abort the concurrent process.

Ctrl-C Ctrl-C

For DOS, this command makes a concurrent process (see start-process) believe that you typed Control-Break. You cannot stop in this manner programs which do no DOS calls other than console input or output. With a numeric argument, however, the command stops the process in a different way, and can stop any program but causes some (including early versions of the command processor) to crash the system. Use this command with a numeric argument only after you've tried it without one.

In other environments, this command makes a concurrent process believe you typed Control-Break (or, for Unix, the interrupt key), as in DOS, but without the restrictions and complications described above.

More info:

The Concurrent Process
DOS Concurrent Process
Concurrent Process Primitives (Primitives)

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