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After reading the FAQs, I think that the W stands for "Watcom". I don't know about the /4G, but it's probably "4 gigabytes", the maximun amount of addressable memory with 32 bit addressing. Pezezin10:31, 1 June 2007 (UTC)[reply]
That's not so hard. Rational's first product was DOS/16M, a 16-bit DOS extender providing access to up to 16 megabytes of memory. The 32-bit product was called DOS/4G, providing access to 4 gigabytes (at least theoretically). The W stands for Watcom; DOS/4GW is a version of DOS/4G specifically for use with the Watcom compilers. Codegen86 (talk) 15:41, 19 June 2011 (UTC)[reply]
Stands for 4 gibabyte (32 bit width). I had the same question myself but had to go to another site to find a real writeup. Wiki has been losing quality for a long time IMO.
Is the fact, that DOS/4GW was shipped with the Watcom compiler with a commercial re-distribution license the only difference or was there something more? Where there any technical differences? --84.158.122.178 (talk) 02:38, 21 December 2021 (UTC)[reply]