Beyond software developers who have programmed in the 1970s, most people do not have experience with a true UNIX OS, and I would find it hard to believe that such outdated technologies are underpinning Facebook's advanced innovations.
These two sentences could easily be read as
"Hey idiot, no one since 70's era programmers have that experience, also I think you're wrong about this requirement because I know better.
Dripping with condescension, but you're young and smart so understandable that ego can swell. You've down tremendous self-awareness in your post here though, clearly have a bright future!
He is actually incorrect in this case as Mac OS is certified UNIX so is a UNIX and not just UNIX-like [*]. If the recruiter was being clever and wanted the applicant to understand the distinction or answer with the magic OS X words I'd be impressed.
Beyond software developers who have programmed in the 1970s, most people do not have experience with a true UNIX OS, and I would find it hard to believe that such outdated technologies are underpinning Facebook's advanced innovations.
These two sentences could easily be read as
"Hey idiot, no one since 70's era programmers have that experience, also I think you're wrong about this requirement because I know better.
Dripping with condescension, but you're young and smart so understandable that ego can swell. You've down tremendous self-awareness in your post here though, clearly have a bright future!