Question: how to transfer a file from windows to unix using putty?
Answer: Download PSCP.EXE from Putty download page.
Open command prompt and type set PATH=<path to the pscp.exe file>
In command prompt point to the location of the pscp.exe using cd command.
Type pscp.
use the following command to copy file form remote server to the local system. pscp [options] [user@]host:source target.