plan9port AKA “Plan 9 from User Space”

• https://en.wikipedia.org/wiki/Plan_9_from_User_Space
• https://github.com/9fans/plan9port
• https://9fans.github.io/plan9port/man/man1/intro.html :

do not put the Plan 9 utilities’ directory a the beginning of your PATH!

“9base is a port of various original Plan 9 tools for Unix, based on plan9port“:

• https://github.com/UNGLinux/9base
• https://git.suckless.org/9base
• https://tools.suckless.org/9base

Optware-ng one my Synology NAS has a 9base package:

root@DiskStation $ ipkg files 9base
/opt/lib/9base/bin/...
/opt/lib/9base/lib/...
/opt/share/man/man1/...