copy file automatically

I need to copy files from one machine to another machine. It should be done automatically. Could you please give me a suggestion. I have no idea about this. It should write a script or program. But I have no idea yet,

Thanksxcopy utility would help..|||Can you give me more detail about xcopy utility? Where is it? how can i learn it? Thanks in advance.|||open a dos window.

at the prompt type: help xcopy|||i try this in cmd command:
C:\>xcopy c:YTEST \\Server25702\C:\YTEST1

i want to copy the YTEST file to another machine (called Server25702). but it gave me a error message:
Invalid drive specification
0 File(s) copied

What wrong with it, also i change Server25702 to IP address, it also gave me a same message. Can you help me again? Thanks.|||You have to map a drive to \\server25702\c:\ytest1 before you can use xcopy.

So if you use the map command to map drive letter D - your syntax would be:

xcopy c:\ytest d:\ytest

i try this in cmd command:
C:\>xcopy c:YTEST \\Server25702\C:\YTEST1

i want to copy the YTEST file to another machine (called Server25702). but it gave me a error message:
Invalid drive specification
0 File(s) copied

What wrong with it, also i change Server25702 to IP address, it also gave me a same message. Can you help me again? Thanks.|||i try to use map drive, i type \\Server25702, it give me message, the network drive can't be found. Why? Thanks.|||you will need to share the drive on server25702|||Thanks, i got it.
But after i copied, i found all the folder in the source file didn't copy to destination, Can this copy anything in the folder i selected to the destination?

I am going to save it as .bat file, How can i use window to schedule it to run from Monday to Friday. Thanks.