ubuntu search for folder code example

Example 1: ubuntu search for command used

> grep "the_search" ~/.bash_history

--Don't forget the -i flag if you need case insensitive search.

Example 2: how to search in directory files in ubuntu

# this will search all subdirectories for your text (no case sensitivity)
# it also prints the line number of the text in file
grep -inR "your text" .