johnny@chthon:~/tmp > mkdir foobar
johnny@chthon:~/tmp > ls -l
total 1
drwxr-xr-x   2 johnny   users        1024 May  4 07:10 foobar
johnny@chthon:~/tmp > perl -e 'umask(0666); chmod(0777,'foobar');'
johnny@chthon:~/tmp > l
total 4
drwxr-xr-x   3 johnny   users        1024 May  4 07:10 ./
drwx------  12 johnny   users        2048 May  3 23:09 ../
drwxrwxrwx   2 johnny   users        1024 May  4 07:10 foobar/
johnny@chthon:~/tmp >