1. Discoverable Partitions Specification
https://systemd.io/DISCOVERABLE_PARTITIONS
2. The /proc Filesystem
https://www.kernel.org/doc/html/latest/filesystems/proc.html#mount-options
3. User/Group Name Syntax
https://systemd.io/USER_NAMES
4. No New Privileges Flag
https://www.kernel.org/doc/html/latest/userspace-api/no_new_privs.html
5. JSON User Record
https://systemd.io/USER_RECORD
6. proc.txt
https://www.kernel.org/doc/Documentation/filesystems/proc.txt
7. C escapes
https://en.wikipedia.org/wiki/Escape_sequences_in_C#Table_of_escape_sequences
8. most control characters
https://en.wikipedia.org/wiki/Control_character#In_ASCII
9. Base64
https://tools.ietf.org/html/rfc2045#section-6.8
10. LSB specification
https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html