Introduction to Linux:
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Chapter 5. I/O redirection
- Table of Contents
- 5.1. Simple redirections
- 5.2. Advanced redirection features
- 5.2.1. Use of file descriptors
- 5.2.2. Examples
- 5.3. Filters
- 5.3.1. More about grep
- 5.3.2. Filtering output
- 5.4. Summary
- 5.5. Exercises
This chapter describes more about the powerful UNIX mechanism of redirecting input, output and errors. Topics include:
Standard input, output and errors
Redirection operators
How to use output of one command as input for another
How to put output of a command in a file for later referrence
How to append output of multiple commands to a file
Input redirection
Handling standard error messages
Combining redirection of input, output and error streams
Output filters
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Exercises
Simple redirections
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