4Diskclean Freeware 

Windows and other application creates temporary files *.TMP and *.~* that aren't deleted if an error occurs. With time your hard disks have hundreds of this temporary files that only take disk space. Delete all with a button click.
file delete temporary tmp delete files *.tmp *.~*

ShutDownOne 

Quickly local and remote ShutDown Windows. Auto Login, Privacy Control: IE history, cookies, typed URLs and more. Scheduled operation, Remote ShutDown, Batch shutdown, Password Protection, Hot Key, Silent Mode...
auto login shutdown+ power off lock workstation restart reboot force schedule timed shutdown emergency command line password protection activity timer