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The hardware they were built on didn’t have those capabilities. The operating system is not capable of imposing these types of restrictions, only the cpu is. Th

by db48x 2y ago

The hardware they were built on didn’t have those capabilities. The operating system is not capable of imposing these types of restrictions, only the cpu is. The OS just programs the CPU so that it enforces the exact restrictions that the OS is designed to have.

amichail 2y ago
Maybe computer manufacturers could have tested third-party apps and certified only those that did not access the hardware directly during their testing? To accomplish this, they could have run the software on a simulator or with additional hardware to check for direct hardware access.
- Someone 2y ago
  And then, the certified programs would be rapidly pushed off the market by much faster programs that directly accessed the hardware (that’s what happened for the IBM PC)
- db48x 2y ago
  Lol.