Sams Teach Yourself UNIX® in 24 Hours Second Edition

Workshop

The Workshop summarizes the key terms you learned and poses some questions about the topics presented in this chapter. It also provides you with a preview of what you will learn in the next hour.

Key Terms

command block A list of one or more shell commands that are grouped in a conditional or looping statement.

conditional expression This is an expression that returns either true or false.

determinate loop A loop where the number of times the loop is run is known before the loop is started.

expression This is a command that returns a value.

indeterminate loop A loop where the number of times the loop is run is not known before the loop is started.

loop This is a sequence of commands that are repeatedly executed while a condition is true. ...