On Sun, Jan 17, 2016 at 1:33 PM, Howard Chu <hyc at symas.com> wrote:
> Scott Robison wrote: > >> Sorry for the OT diversion, but I'm just curious as I don't have >> historical >> POSIX standards for reference. Does POSIX really *require* an MMU? >> Certainly Unix like systems were written for 8086 class computers, but >> given that POSIX was first standardized in 1988 I'm just curious as to >> whether or not an MMU is a requirement or just really nice to have. >> > > ST-Minix ran on MC68000 - no MMU. POSIX API only defines a programming > model, it doesn't mandate how it gets implemented under the covers. > > An MMU *can* make some things easier, but we had fork/exec etc. even > without it. That's what I thought, but haven't spent enough time with it (from a standards document perspective) to have certain knowledge. Thanks. -- Scott Robison
