Print Command Before Execution History

Understanding the history Command:

The history command in Linux provides a chronological list of previously executed commands, along with corresponding command numbers. This feature allows users to recall, reuse, and modify commands without having to retype them. The command history is stored in a file, typically ~/.bash_history for the Bash shell....

How to Display Command history in Linux

To view the command history, simply type:...

Display a Limited Number of Commands History

To show the limited number of commands that executed previously as follows:...

Execute a Command by Event Number

Execute a command using its event number with the ! symbol. For instance:...

Print Command Before Execution History

To print a command before executing it to avoid errors, use the :p option after the event number. Example:...

Search Command History with grep

Combine the history command with grep for efficient searching. Example:...

View the Most Recent Command History

To quickly view and rerun the most recent command, use:...

Execute a Command without Storing History

If a command needs to be executed without being stored in history, unset the HISTFILE variable. Example:...

Execute a Command using a Part of the Command History

Execute a command using a part of its string. Example...

Remove a Specific Command from History

Remove a specific command from history using the history -d option. Example:...

Clear Entire Command History

Clear the entire command history using the history -c option. Example...

View the Last 10 Commands History

Use history | tail to view the last 10 commands from the history:...

Conclusion

In this article we discussed the history command which is crucial for efficient command-line navigation in Linux. This guide has explored various features, allowing users to view, search, and manipulate command history. From displaying a limited number of commands, executing by event number, and searching with grep, to advanced functionalities like executing without storing, removing specific commands, and clearing the entire history, users can enhance their command-line efficiency. This skill empowers users to save time, avoid errors, and confidently navigate the Linux command line....