The replace command is used to make changes or replace strings of text in files or the standard input. It looks for all occurrences of string or text from and replaces it with string or test to. If you’re a student or new user looking for a Linux system, to begin, the easiest place to start is Ubuntu Linux OS. It’s a great Linux operating system for beginners. Ubuntu is an open-source Linux operating system that runs on desktops, laptops, servers, and other devices. When you’re ready to learn how to use the replace commands, follow the guide below: About replace command: The replace command in Linux is used to make changes or replace strings of text in files or the standard input. It looks for all occurrences of string or text from and replaces it with string or text to. The replace command is primarily used with msql2mysql although you can use it to manipulate other files and standard input. It requires a MariaDB server in Linux. Syntax: The syntax is the rule and format of how the to replace command can be used. These syntax options can be reordered, but a straight format must be followed. Below is an example syntax of how to use the replace command. Another way to use the replace command Options: The command line options are switches or flags that determined how the commands are executed or controlled. They modify the behavior of the commands and are separated by spaces, followed by the commands. Below are some options for the replace command: Examples: Below are some examples of how to run and use the replacement on Ubuntu Linux. Simply run the replace command to invoke it. If you run the replace command but don’t specify an option, it will fail to execute. If you want to replace all occurrences of private with the word public in a file called document.txt, run the commands below: When you run replace with the -? or -I option, you’ll see the help text below: That’s it! Conclusion: This post showed you how to use the replace command in Ubuntu Linux. If you find any error above please use the form below to comment.