List all known signal numbers, names, and descriptions.
Kill the controlled process.
Send the SIGTERM signal to the listed jobs.
Send the given signal to the listed jobs.
where:
job may be a process ID or may be specified in any of the following ways:
Kill the current job.
Kill the previous job.
Kill job number number.
Kill the job that begins with string.
Kill the job that contains string.
signal is the name of a signal.