How to connect PC through PC ?

Please help me to to know how to connect to pc through pc so that I can transfer files from one to another. I need them to save my time because transfer using pen drive is not very convenient and it takes time too.I have to do lots of work so pc to pc connection will help me a lot.
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What exactly you want ?
there are various ways to connect PC to PC including direct cable connection, connection using switch etc. But all will require little knowledge about networking. But best is that you connect a direct Cat5 cable to both pc lan card and you will have a network. Give each card IP like 192.168.10.1 and other 192.168.10.2 , then depending upon the OS, make folder "SHARED" and start using it.