Setedit Command

# Update password in config files sed -i 's/old_password/new_password/' /path/to/config/*.txt

sed 's/old_password/new_password/' config.txt The s command in sed stands for "substitute." It searches for the pattern old_password and replaces it with new_password . Running the sed command produces the following output: 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