Useful linux find command that developer should know

Working with Linux is fun when we can make the best use of linux commands. Linux find command is very useful in case of finding things in real quick. But if we can provide the proper parameter to the find command then it becomes tedious to find things on Linux OS. Following are some really useful linux command:

Find a html file that has a keyword

find . -type f -name "index.html" -exec grep -il "portfolio" {} \;

Find all files

find / -size 100M