>Claiming it's [vinegar] anti-bacterial is an over-statement.
Interestingly, though, I have heard of people using a cup of vinegar as a softener in the wash, with the claim it also kills germs. Somehow, I have always had the feeling that by the time the vinegar mixes with 20 gallons of water, the germ killing power is pretty much limited to only the most weak and feeble of bacteria...
As for rags... I recall one MAD MAGAZINE joke about McDonalds. The article was about new things they could offer IIRC. One of these was the "McSpecialized Rag" or some such thing. They showed a long rag with one end being used to scrub a pot in the kitchen, and the other end being used to scrub a toilet...