Linux and the 'clssic' computing world

[Nemo Nusquam]

On 2021-09-27 10:07, Joshua Rice via cctalk wrote (in part):
>
> However, much of the "Linux" software is in fact POSIX software, and 
> can quite easily be ported between Linux and other *NIX-likes, such as 
> Solaris, macOS and the *BSD family.

I cannot agree.  Many developers ensure that their software runs under 
their particular distribution and then call it POSIX. Porting to UNIX 
systems, such as Solaris or macOS, can be difficult and tedious.  (Of 
course, this is not a Linux issue.)

N.