Head
The head tool is a Linux command line tool that, as the name implies, outputs
the top N number of lines of given input text. By default head will output the
first 10 lines of the specified file or provided text. If more than 10 lines are
desired a number can be specified with the -n flag. head is also the
counterpart to Tail.
For example:
head /etc/passwd
Will give us the first 10 lines of /etc/passwd: