3 ms·/proc is a Linux thing.by gdgghhhhh 9mo ago/proc is a Linux thing.dveeden2 9mo ago/proc is only copied (and extended) by Linux. It was introduced in UNIX V8. It is also in Solaris and FreeBSD.anthk 9mo agoUnix v8 it's basically pre-plan9.gdgghhhhh 9mo agoOh. I was not aware of that