# To find all the backup files.
find . -name '*~'
# Before doing a delete, check that you dont want these files anymore.
# To delete all these files, use the -exec option:
find . -name '*~' -exec /bin/rm {} \; 2>/dev/null 1>&2

#An altenative version for files older than say 7 days is:
find . -name '*~' -mtime +7
