head - output the first part of files
$ head [option...] [file...]
Print the first 10 lines of each file to standard output. With more than one file, precede each with a header giving the file name.
With no file, or when file is -, read standard input.
file: File to process-n --number=NUM: Number of lines to print (default 10)-c --bytes=NUM: Number of bytes to print-q --quiet: Never print filenames-v --verbose: Always print filenames# Print the first four lines from README.md and precede it with a filename header
$ head -v -n 4 README.md
==> README.md <==
# SerenityOS
Graphical Unix-like operating system for x86 computers.