# Update password in config files sed -i 's/old_password/new_password/' /path/to/config/*.txt
sed -i 's/old_password/new_password/' *.txt This command updates the password in all files with the .txt extension in the current directory. Here's an example use case in a Bash script: Setedit Command
sed 'expression' file.txt In this case, Alex wants to replace old_password with new_password in the config.txt file. The sed command to achieve this is: # Update password in config files sed -i