Replacing strings in multiple files in Linux in batches

In Linux, replace strings in multiple files in batches. in Linux, replace strings in multiple files in batches. You can use the sed command to replace strings in multiple files in batches. You can use the sed command to replace strings in multiple files in batches. Sed-I "s/original string/New String/g" 'grep original string-rl directory 'For example: I want to replace mahuinan with huinanma and execute the command: sed-I "s/mahuinan/huinanma/g" 'grep mahuinan-rl/www 'is currently the simplest string replacement command in linux! The specific format is as follows: sed-I "s/oldString/newString/g" 'grep oldString-rl/path' instance code: sed-I "s/size/Sun/month/g" 'grep size-rl/usr/aa 'sed-I "s/size/Sun/month/g "' grep size-rl. /'