> The more I learned about these things plus issues with other basic functions like wait() ot strcpy() or in general the lack of protections around C, the more I entertained the idea of looking for alternative operating systems.
Dig into the worlds of Burroughs B5500 (now Unisys ClearPath), IBM OS/360 (now IBM z), IBM OS/400 (now IBM i), and the now gone Mesa/Cedar, Oberon, Active Oberon, SPIN OS, Topaz OS, Mac OS/Lisa, Singularity, Midori, Inferno, ...
Dig into the worlds of Burroughs B5500 (now Unisys ClearPath), IBM OS/360 (now IBM z), IBM OS/400 (now IBM i), and the now gone Mesa/Cedar, Oberon, Active Oberon, SPIN OS, Topaz OS, Mac OS/Lisa, Singularity, Midori, Inferno, ...