How to rename multiple files in linux using rename?

Question

ubuntu

There are different files in the folder with the same extension. I want to rename the files so that they turn out 1.txt 2.txt 3.txt 4.txt
using rename it will be like this
rename -ns/\.php\.txt *.php - put a counter before txt

Answer 1

https://stackoverflow.com/questions/3211595/renami...