Grep
Usage
grep searches the name file or files for the specified string. (You can also use egrep to search inside a file using Regular Expressions )
grep bananas filename.txt
This searches for the word bananas in the file, filename.txt
grep searches the name file or files for the specified string. (You can also use egrep to search inside a file using Regular Expressions )
grep bananas filename.txt
This searches for the word bananas in the file, filename.txt