Master the Linux ‘clear’ Command: A Comprehensive Guide

Peter Hou
2 min readMay 11, 2023

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This article provides a comprehensive overview of the ‘clear’ command in Linux. Although simple in functionality, the ‘clear’ command is a fundamental command that every Linux user should be familiar with. The article covers the history of the command, its typical use case, and notes an important caveat about what the command does and does not do.

Instructions

This article aims to provide a detailed and comprehensive guide on the Linux ‘clear’ command. We will go through its history, usage, and some interesting tricks you can do with it.

History

The ‘clear’ command is a standard command in Unix and Unix-like operating systems. Its primary function is to clear the terminal screen, providing a clean slate.

When and why to use it

The ‘clear’ command is typically used to clean up the terminal window when it gets cluttered with too many previous commands and output. It helps maintain a clean workspace, which is essential for efficient and error-free work.

How to use it

Using the ‘clear’ command is straightforward. Simply type ‘clear’ in your terminal and press enter.

clear

The commonly used parameters

The ‘clear’ command does not have commonly used parameters because its sole function is to clear the terminal screen.

Other supported parameters

The ‘clear’ command does not have any additional parameters.

Most common use cases

The most common use case for the ‘clear’ command is to clean up the terminal window. Whenever the terminal gets too cluttered, simply type ‘clear’ to clear the screen.

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The tricky skills

While the ‘clear’ command is mostly used as it is, you can use the Ctrl+L keyboard shortcut in most terminals to achieve the same effect, which can be faster if your hands are already on the keyboard.

What needs to be noted

Please note that the ‘clear’ command does not erase the command history. It only clears the screen. Your command history can still be accessed by scrolling or using history-related commands.

Conclusion

The ‘clear’ command is a simple yet essential tool in the arsenal of any Linux user. Its function is straightforward, but its impact on maintaining a clean and efficient workspace is significant.

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Peter Hou
Peter Hou

Written by Peter Hou

I am a Senior Software Engineer and tech lead in a top tech company.

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