Useful for commands : find, grep

Sample use of 'find'

>> find location -name 'string name or something'

>> find location -name 'string name or something' | xargs command

>> find / -type f | xargs grep -l pattern
or from current working dir
>> find . -type f | xargs grep -l 'string that you want'


Sample use of 'grep'

>> grep -r 'string you want'

# -l that display only filename.
>> grep -rl 'string you want'