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How to Print the First 5 Lines in Unix?

Unix is a widely used operating system for servers, desktops, and embedded systems, offering various commands and tools for file management, process handling, and more.
To print the first 5 lines in Unix, you can use the head command, which allows you to display the initial lines of a file or standard input. By default, head displays the first 10 lines, but you can modify this using the -n option.
How to Print the First 5 Lines in Unix Using the Head Command
To print the first 5 lines in Unix using the head command, follow these steps:
Open a terminal window and navigate to the directory where the file or standard input is located.

How to Print the First 5 Lines in Unix?
How to Print the First 5 Lines in Unix?

Type the following command and press Enter:
head -n 5 filename
Replace filename with the name of the file or standard input you want to print. For example, to print the first 5 lines of a file named data.txt, you would enter:
head -n 5 data.txt
This command will display the first 5 lines of the file or standard input in your terminal window. For instance, if the file or input contains the following data:
This is line 1
This is line 2
This is line 3
This is line 4
This is line 5
This is line 6
This is line 7
This is line 8
This is line 9
This is line 10
The output of the head command will be:
This is line 1
This is line 2
This is line 3
This is line 4
This is line 5
Conclusion
Printing the first 5 lines in Unix using the head command is a convenient way to view or analyze the initial data in a file or standard input. By following the steps above and utilizing the -n option, you can quickly print the desired lines in your Unix terminal.

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