For a historical take - UNIX to Plan 9: > Compared to Plan 9, Unix creaks and clanks and has obvious rust spots, but it gets the job done well enough to hold i

For a historical take - UNIX to Plan 9: > Compared to Plan 9, Unix creaks and clanks and has obvious rust spots, but it gets the job done well enough to hold its position. There is a lesson here for ambitious system architects: the most dangerous enemy of a better solution is an existing codebase that is just good enough.[1] Linux might be "better"; unfortunately Windows is just "good enough" for most people to not care. [1] http://catb.org/esr/writings/taoup/html/plan9.html http://catb.org/esr/writings/taoup/html/plan9.html