How can I use grep to find a word inside a folder?

Question

In Windows, I would have done a search for finding a word inside a folder. Similarly, I want to know if a specific word occurs inside a directory containing many sub-directo

Answer 1

1. grep -r "yourstring" * Will find "yourstring" in any files and folders

Now if you want to look for two different strings at the same time you can always use option E and add words for the search. example after the break

2. grep -rE "yourstring|yourotherstring|$" * will search for list locations where yourstring or yourotherstring matches