I experienced this problem too and it appears to be related to the filesystem type, because it only happened to vfat filesystems. I remember that a solution was related to setting the proper option when mounting the filesystem... > Trevor Smith wrote: > > The other day I wanted to rename one file from a console window like > > this: > > > > filename.extension > > > > to > > > > filename.EXTENSION > > > > I couldn't find any way to do it while leaving the file in the same > > directory. I could succeed using KDE/mouse renaming, but mv and cp > > refused or failed to rename the file while leaving it in the same > > directory. > > > > Any ideas? > > > > > > This works fine for me > > $ touch file.extension > $ ls > file.extension > $ mv file.extension file.EXTENSION > $ ls > file.EXTENSION > $