How to Find and replace any string text across the multiple files using Linux commands Grep and Sed

find-replace-grep-sad-linux.txt

Finding and replacing any string text across the multiple files using Linux commands Grep and Sed

Step1: Login with sudo privileges and locate your folder:
       ~$ cd /your-folder
Step2: 
       ~$ grep -rl 'Text-to-be-Replaced' /* | xargs sed -i 's/Text-to-be-Replaced/I-AM-Replaced-Text/g'

Step3:  D O N E !
        NOTE that changes of find and replace linux server command will not be reflected
        on those files which needs an additional permission!
        
        To change permision search google "linux+chmod".
        
        Regards,
        Kemal C.