See scripting examples for moving and renaming collections of files.
# rename file to backup copy
mv myfile myfile.bak
# copy file to backup copy
cp myfile myfile.bak
# move file to tmp directory
mv myfile /tmp
# copy file from tmp dir to current directory
cp /tmp/myfile .
# copy a directory, recursive .. and preserve file dates
cp -Rp /app/datafiles /aux/backup2006