Question: please do it in linux and please show your output...
Please do it in LINUX! and please show your output as well! Thank you!
Write a simple shell script to move (rename) all *.PDF files
under the current directory (if any) to *.pdf, e.g.,
move test.PDF to test.pdf
move hello.PDF.PDF to hello.PDF.pdf
move .hello.PDF.PDF to .hello.PDF.pdf
and report each action, otherwise just report there are no *.PDF files.