xcopy

echo —————- >> c:\backup_log.log
echo \calvin\*.* >> c:\backup_log.log
xcopy d:\calvin\*.* "\\192.168.1.99\F$\calvin-backup\calvin\*.*" /H /D
/E /C /R /Y>> c:\backup_log.log
time /t >> "c:\backup_log.log"

System admin script

To lock the workstation (tested on Win2K/XP): rundll32 user32.dll,LockWorkStation