linux search in all files for string code example

Example 1: linux search for a given string in all files recursively

$ grep -r "String to be searched goes here" *

Example 2: linux find file containing text

# syntax 
# find *</path/to/dir> -name '*<file(s)-to-search>' -exec grep '*<string-to-find>' {} /dev/null \;

# example
find 'C:/Users/JacquesK' -name '*.*' -exec grep 'Random text to find' {} /dev/null \;