Why You Can't Un-Root a Compromised Machine
https://gist.github.com/dergachev/7916152Basic Linux Privilege Escalation
https://blog.g0tmi1k.com/2011/08/basic-linux-privilege-escalation/Linux Privilege Escalation Script by 1N3 @CrowdShield · GitHub
https://gist.github.com/1N3/376f17d87b2da190ca5f31e880bd6c08Escaping Restricted Linux Shells
https://pen-testing.sans.org/blog/2012/06/06/escaping-restricted-linux-shellsBash Reference Manual: Bash Builtins
https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.htmlBack To The Future: Unix Wildcards Gone Wild
http://www.defensecode.com/public/DefenseCode_Unix_WildCards_Gone_Wild.txtFreeBSD Mastery: ZFS
http://maxim.int.ru/stuff/zfs/fmzfs%20twp%202015-05-21.pdfAbsolute OpenBSD - 2nd Edition
http://bayanbox.ir/view/4960621790255106990/Absolute-OpenBSD-2nd-Edition-2013.pdfLinux Load Averages: Solving the Mystery
http://www.brendangregg.com/blog/2017-08-08/linux-load-averages.html