TLDR

Enter a command. For example: launchctl, nvram, photoanalysisd.

head

Output the first part of files. More information: https://ss64.com/osx/head.html.

Output the first few lines of a file:

head -n {{count_of_lines}} {{filename}}
Output the first few bytes of a file:

head -c {{number_in_bytes}} {{filename}}

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