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This is sad news. I worked (a little bit) with him when I added the adjtime system call to linux back in the 0.99 days.... He built stuff that worked and is run everywhere. That is a great legacy. He will be remembered.

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Just curious: what is 0.99 in this context?

Almost sure this is the linux kernel version.

According to wikipedia, this is circa '92 era https://en.wikipedia.org/wiki/Linux_kernel_version_history

Yes -- that is right. Back in those days, you could build the linux kernel from scratch on a laptop with 16MB of memory! I used to commute (on a weekly basis) from Boston to NYC, and you could build and boot and test a kernel between taking off from Logan airport and landing in La Guardia! I can't recall the vendor of the laptop that I used, and the internet is indicating that maybe the 16MB was an overestimate.

I think that the adjtime call went in in Linux 0.99pl15 (there were different numbering conventions back then).

I first got Linux (Slackware) around about that time. I had a desktop with 4MB (later with 8), so I'd say 16MB in a laptop would've probably not been right too.

I remember the interesting "plXX" patch numbers too.

16MB of memory in 1992? Boy oh boy, ain't you the most spoiled kid ever? When I got 4MB in 1994 I though I caught God's foot.

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