plan9port: Plan9Port (Plan 9 from User Space) plan9port: plan9port: Plan 9 from User Space (aka plan9port) is a port of many plan9port: Plan 9 programs from their native Plan 9 environment to plan9port: Unix-like operating systems. plan9port: plan9port: Homepage: http://swtch.com/plan9port/ plan9port: plan9port: plan9port: plan9port: