A Practical Guide to Fedora™ and Red Hat® Enterprise Linux®

7. The Shell

In This Chapter

The Command Line 226

Standard Input and Standard Output 232

Redirection 234

Pipes 239

Running a Command in the Background 242

kill: Aborting a Background Job 243

Filename Generation/Pathname Expansion 244

Builtins 249

Objectives

After reading this chapter you should be able to:

• Understand command line syntax and run commands with options and arguments

• Explain how the shell interprets the command line syntax

• Understand the purpose of the PATH variable

• Redirect, overwriting or appending, output of a command to a file

• Obtain input for a command from a file

• Connect commands using a pipe

• Run commands in the background

• Use special characters as wildcards to generate filenames

• Explain the difference ...