R functions for handling multiple processes.

Documentation for package `fork' version 1.0.2

exit	Exit from a child process
fork	Create a new R process using the Unix 'fork' system call
getpid	Obtain the process id for the current process.
kill	Send a signal to one or more processes.
killall	Send a signal to one or more processes.
siglist	Obtain information about signals
signame	Obtain information about signals
sigval	Obtain information about signals
wait	Wait for child process(es) to stop or terminate.