for i in `ls` ; do rm -rf $i ; done
find . -name ‘a*’ | xargs rm
find . -exec rm {} \;
find /tmp/ -name ‘.a’ -exec rm {} \; -print
find /tmp/ -name '*.a' -print0 | xargs -0 rm -f
find /tmp/ -name ‘*.a’ -print0 | xargs -n1000 -0 rm -f
ls | xargs rm