[TUHS] Early shared library implementations

[Chris Hanson]

On Sep 30, 2021, at 3:39 AM, arnold at skeeve.com wrote:
> 
> In more or less the same time frame, the AT&T UnixPC / 3B1, which was
> OEM'ed from Convergent, had shared libraries.  This was ~ 1986.
> 
> I don't know the details of how it worked and how one built the shared
> libraries; I am sure that it was an independent implementation from Sun's.
> 
> This was done on top of a System V Release 2 kernel.  Later versions
> of the OS had some bits of the SVR3 user land, but the kernel remained
> SVR2 based.

Apple A/UX was also SVR2-based and had shared libraries. I wonder if it was a similar implementation. (The porting work for A/UX was initially done by UniSoft, from what I recall.)

  — Chris