Find files in Linux

Basic use of the find command in Linux

To find a file named my file.txt anywhere;
find / -name "myfile.txt"

To find a file named my file.txt in the current directory;
find . -name myfile.txt

To find all files in the current directory;
find . -name *.txt

To find all jpg files in /home/plisken;
find /home/plisken -name *.jpg

To search the contents of files in current directory;
find . -type f -exec grep "keyword" '{}' \; -print