Obtaining list of machine users

Hi,

Is there anyway that I can obtain a list of users that are use the machine and put them into an array. How can I automaticly restart the user shell (explorer)


Thanks in Advance

Regards
S Roberts

Under c:/Doucments and Settings, there is a folder for every user that has signed onto the machine, minus the All Users and default user folders. Also, if you use SMS there will be folders there for those services.