1. Input/Output Redirection:
Input/output (I/O) redirection in shell scripting allows you to control the flow of data between commands and files. It enables you to redirect input from a file or command, and redirect output to a file or command, instead of relying solely on standard input (keyboard) and standard output (terminal).
* Input Redirection:
+ The `<` symbol is used for input redirection, allowing you to redirect the input of a command from a file instead of the keyboard.
+ Example:
```
bash`# Read input from a file instead of the keyboard
cat < input.txt`
```
* Output Redirection:
+ The `>` symbol is used for output redirection, allowing you to redirect the output of a command to a file instead of the terminal.
+ Example:
```
bash`# Redirect output to a file instead of the terminal
ls > output.txt`
```
* Appending Output:
+ The `>>` symbol is used to append output to a file ins....
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