The 50 million examples in Help aren't enough?
To schedule a net share command to run on the Corp server at 8:00 A.M. and redirect the listing to the Maintenance server, in the Reports shared directory, and the Corp.txt file, type:
at \\corp 08:00 cmd /c "net share reports=d:\marketing\reports >> \\maintenance\reports\corp.txt"
To back up the hard drive of the Marketing server to a tape drive at midnight every five days, create a batch program called Archive.cmd, which contains the backup commands, and then schedule the batch program to run, type:
at \\marketing 00:00 /every:5,10,15,20,25,30 archive