Quoted in "Linux Game Publishing: An Interview With Michael Simms" http://web.archive.org/web/20050712080821/http://www.linuxgazette.com/node/10249 Linux Gazette (2005-06-03)
“But in all honesty, I would suggest that people who want a modern "free" OS look around for a microkernel-based, portable OS, like maybe GNU or something like that.”
In a Usenet message, 29 Jan 1992.
The "Linux is Obsolete" Debate
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Andrew S. Tanenbaum 22
Dutch computer scientist 1944Related quotes

“I want to make sure that all versions of GNU remain free.”
1980s, GNU Manifesto (1985)
Context: GNU is not in the public domain. Everyone will be permitted to modify and redistribute GNU, but no distributor will be allowed to restrict its further redistribution. That is to say, proprietary modifications will not be allowed. I want to make sure that all versions of GNU remain free.

Internet meme commonly attributed to Stallman made by an unknown source.
Misattributed

"Inside Track", PC Magazine (22 October 1996)
1980s & 1990s

“Once GNU is written, everyone will be able to obtain good system software free, just like air.”
1980s, GNU Manifesto (1985)