reclaim space

on my hard drive, I have three JOB files that have long numerical sequences after them. Each takes up 64 gigabytes on my hard drive. how do I reclaim that space? I have consulted AI and got nothing useful.

I have got Windows 7 working by upgrading from Vista and now have a dual boot system. I cannot find out how to delete the vista partition or any other way of reclaiming half the disk! W7 won't let me partition, format or delete the vista partition. Can someone tell me how to do it?

I did a clean install of Win7 Home Premium form an XP system. Don't ask why but my old XP system was on F: drive. I installed the Win7 on C: drive. Now at startup it keeps asking which OpSystem I want to boot from. I tried formatting F: but it will not let me. How can I a) Get rid of the...

Hi, I have Vista 64 on C: and Windows 7 RTM on F: running simultaneously. I've got Win7 to the point where I can abandon Vista entirely. I was wondering if I could image the Win7 F: drive -- I use Acronis TrueImage -- and replace it onto C: eliminating the Vista instance for the Win7, then...