* Signal Handling:: All about signals; how to send them,
block them, and handle them.
* Process Startup:: Writing the beginning and end of your program.
-* Child Processes:: How to create processes and run other programs.
+* Processes:: How to create processes and run other programs.
* Job Control:: All about process groups and sessions.
* Users and Groups:: How users are identified and classified.
* System Information:: Getting information about the