This document discusses how to find process IDs and use the kill command to terminate processes. It provides the ps -ef command to display running processes and their IDs, and explains that the kill command's default signal is TERM to terminate a process. Examples are given of using kill -9 to force termination of a process. The document also covers the case...esac statement's syntax for executing different statements based on an expression's value.
26. Syntax
The basic syntax of the case...esac statement is to give an
expression to evaluate and several different statements to execute based
on the value of the expression.