Chapter 7 Challenges

• Decide whether the following sentence is true or false:

1. Linux is rich with filter programs.
2. A filter is a program that gets most of its data from its standard input and writes its main results to its standard ouput.
3. A set of processes chained by their standard streams, so that the output of each process feeds directly as input to the next one is called Linux pipeline.
4. You can run commands one after the other using ; operator.
5. You can run commands one after the other using && operator.
6. Second command only runs if first is successful when you use conditional or (||) operator.
7. A filter is very useful as part of Linux pipes.

• Chapter 7 answers