Google
~
Plan 9 from Bell Labs is a distributed operating system which originated from the Computing Science Research Center (CSRC) at Bell Labs in the mid-1980s.
Plan 9 from Bell Labs, an open-source distributed system from the creators of Unix.

Plan 9

Operating system
Plan 9 from Bell Labs is a distributed operating system which originated from the Computing Science Research Center at Bell Labs in the mid-1980s and built on UNIX concepts first developed there in the late 1960s. Since 2000, Plan 9 has been free... Wikipedia
Initial release date: July 5, 2003
Programming languages: C and ANSI C
Default user interface: rio / rc
License: 2021: MIT; 2014: GPL-2.0-only; 2002: LPL-1.02; 2000: Plan 9 OSL
Marketing target: Operating systems research, networked environments, general-purpose use

People also ask
Nov 12, 2022 · Plan 9 is an operating system designed by Bell Labs. It's the OS they wrote after Unix, with the benefit of hindsight.
Plan9 is a progressive multi-user operating system which is developed further as open source and does not build up on UNIX source code. It is optimized for the ...
Video for Plan9 OS
Nov 16, 2022 · Today, I am looking at Plan 9 from Bell Labs, the next generation operating system to follow ...
Duration: 15:05
Posted: Nov 16, 2022
Mar 23, 2021 · The system in question is the Plan 9 OS from Bell Labs, which, starting this week, will have a new home. More on that later, but first a bit ...
Plan 9 is an operating system kernel but also a collection of accompanying software. The bulk of the software is predominantly new, written for Plan 9 ...
Feb 21, 2024 · Plan 9 was in some way a second implementation of the core concepts of Unix and C, but reconsidered for a world of networked graphical workstations.
Plan 9 still is the most portable operating system. Not much machine-dependent code, no fancy features tied to one machine's MMU, multiprocessor from the ...