Can I Transfer Files Between PCs Using a Null Modem Cable?

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Answer:

Yes! This cable allows you to set up file sharing between two PCs by connecting their serial or parallel ports. The details of the setup depend on which operating systems run on the PCs. The term "null modem" comes from the ability of the cable to provide networking at relatively slow speeds without actually using modems.

Null modem cables do not require computers to possess Ethernet cards. For this reason, they are a very popular (though not the only) form of Direct Cable Connection (DCC) possible between PCs.