| https://code.dogmap.org/ | Paul Jarc's software |
| https://www.grymoire.com/index.html | Welcome to The Grymoire! |
| https://www.kernel.org/doc/man-pages/ | The Linux man-pages project |
| https://skarnet.org/software/ | https://skarnet.org/software/ |
| http://thedjbway.b0llix.net/djbwhy.html | the djb way: the djb why? |
| https://freeshell.org/ | SDF Public Access UNIX System - Free Shell Account and Shell Access |
| https://home.goto95.com/ | Welcome to | GOTO 95 |
| http://kornshell.org/ | KornShell |
| https://funzix.sourceforge.io/zix_2_file_format.htm | The WinZix 2.0 File Format |