Output the first part of files. More information: https://keith.github.io/xcode-man-pages/head.1.html.
head {{[-n|--lines]}} {{8}} {{path/to/file}}
head {{[-c|--bytes]}} {{8}} {{path/to/file}}
head {{[-n|--lines]}} -{{8}} {{path/to/file}}
head {{[-c|--bytes]}} -{{8}} {{path/to/file}}