head - prints first 10 lines of each file to standard output

Usage: head [options] [<file>]...

Example

sxx
head /etc/passwd

long option	short option	description
‑‑help	‑h	Print help and exit.
‑‑lines=[-]NUM	‑n=[-]NUM	Print first NUM lines instead of first 10; with the leading '-' print all but the last NUM lines.