gistfile1.txt

% id
uid=999(nerds) gid=999(nerds) groups=999(nerds)

% getfacl data 
# file: data
# owner: emartin
# group: emartin
user::rwx
user:nerds:rw-
user:emartin:rwx
user:walter:rwx
group::rwx
mask::rwx
other::r-x
default:user::rwx
default:user:emartin:rwx
default:user:walter:rwx
default:group::rwx
default:mask::rwx
default:other::r-x

% touch data/foobar.txt
touch: cannot touch `data/foobar.txt': Permission denied