How can I rename all my *.foo files to *.bar, or convert spaces to underscores, or convert upper-case file names to lower case?

Some GNU/Linux distributions have a rename(1) command, which you can use for the former; however, the syntax differs from one distribution to the next, so it's not a portable answer.... more.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.