Just helped a colleague. She wanted a list of all files in all subdirectories of a folder. Easy enough, fired up powershell, ls'd everything into a text file in ~\Desktop, jobs done.
About 5 minutes later, she messaged me, telling me she closed the file without saving. So I went over. The file wasn't on her desktop. Quickly recreated the file - again into ~\Desktop but powershell found the file there.
"nah, doesn't matter I'll just overwrite it and be done with it." I thought.
So I did that, and the bloody file still didn't show up.
I had a look at where ~\Desktop is. It's on partition H:. WHO THE FUCK HAD THE BRILLIANT IDEA TO SET H: AS THE HOME DIRECTORY?!