Editing Solaris 10 Associate (section)

=== sending signal to process ===

* a signal is a message a user can send to a process
* processes respond to signals by performing the action specified in signal
* signals are identified by signal number and my a signal name, and each signal has an associated action


<put in chart for signal numbers / signal name / event / definition / default response>


==== terminating processes ====

use kill command to send signal to terminate one or more processes

kill command sends signal 15 (terminate) signal by default which causes process to terminate in orderly manner. Signal 9 forces termination now.

can only kill your own commands (root can kill any process)

Sytax:

<code>kill [-signal] PIDs

use pkill command to send signal to terminate one or more processes

pkill command sends signal 15 (terminate) signal by default which causes process to terminate in orderly manner. Signal 9 forces termination now.

Syntax:

<code>pkill [-options] pattern</code>