these are the examples ..
XP_CMDSHELL copy '"\\192.168.0.1\c$\Folder1\File1.txt" "C:\TMP\" /user:User1 PASSWORD'
EXEC master..xp_cmdshell 'copy \\Dell1\test\query.sql c:\dell'
EXEC master..xp_cmdshell 'copy "D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup\san" "C:\TestLogshipping"'