Executes a given process The process to be created (plus arguments) Redirect executable input and output to the console. If input is specified, it will be written to the newly created process. Don't perform input redirection. Waits for the executable to return before ending. Sets the redirect input stream type (default=ASCII). Sets the redirect output stream type (default=auto) Run the newly created process from the given directory. Run the newly created process as a particular user (unix only) Allows running of DSZ commands with input prefx (prefix='-') redirect Send command to background after exe is started.