What did I just do?

If any of you out there who know lots about how the inside of my computer works could tell me what in the world I just did, that would be wonderful! Here's what I did: I clicked Start, clicked run, and typed 'CMD'. Command prompt opened up and I typed 'At (I put the time it would be 1 minute from when I typed it) /interactive "cmd.exe" After the minute went by a new command prompt opened up. I typed 'exit' in the old one. I did ctrl-alt-delete and ended the process 'explorer.exe'. After I killed that I typed 'cd ..' in the command prompt window, then I typed 'explorer.exe' and it opened back up. On my home computer I was signed in as SYSTEM at this point and on the computers in the computer labs at the community college I was logged in as the same user name as before except with a '$' on the end. At this point I appear to have privileges above an admin profile and I can access and edit all sorts of files and things I know an admin can't normally access. I can also do things to profiles, like give them admin privileges. I haven't figured out how to do this without setting the time I want it to start a minute ahead of the time it was when I typed it.... Is it possible? And I know the 'cd ..' brings me up a directory, why am I able to do this with explorer.exe closed? It appears to be a large security hole... I just want to know how/what just happened! Thanks! -DMC

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Ooooo...security hole!
whatsisface9 years ago
Is this vista? You may have unlocked the hidden super-admin mode (google it).
drinkmorecoffee (author)  whatsisface9 years ago
No, xp. But it sure seems like a super-admin mode.
coolz9 years ago
thats pretty weird... being above an admin
westfw9 years ago
Sounds like a classic unix bug (and other things before that) that was fixed about 30years ago; "at" schedules a task at a future time, but it seems to run the task as the "user" of the timer process rather than the info from the user who submitted the initial command.
You won the game.
LinuxH4x0r9 years ago
No clue. If this is a security breach, then let me in on it!