<s>
VOMS	B-Operating_System
is	O
an	O
acronym	O
used	O
for	O
Virtual	O
Organization	O
Membership	O
Service	O
in	O
grid	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
A	O
command-line	O
tool	O
allows	O
users	O
to	O
generate	O
a	O
local	O
proxy	O
credential	O
based	O
on	O
the	O
contents	O
of	O
the	O
VOMS	B-Operating_System
database	O
.	O
</s>
<s>
This	O
credential	O
includes	O
the	O
basic	O
authentication	O
information	O
that	O
standard	O
Grid	O
proxy	O
credentials	O
contain	O
,	O
but	O
it	O
also	O
includes	O
role	O
and	O
capability	O
information	O
from	O
the	O
VOMS	B-Operating_System
server	O
.	O
</s>
<s>
VOMS-aware	O
applications	O
can	O
use	O
the	O
VOMS	B-Operating_System
data	O
to	O
make	O
authentication	O
decisions	O
regarding	O
user	O
requests	O
.	O
</s>
<s>
VOMS	B-Operating_System
was	O
originally	O
developed	O
by	O
the	O
European	O
DataGrid	O
and	O
Enabling	B-Operating_System
Grids	I-Operating_System
for	I-Operating_System
E-sciencE	I-Operating_System
projects	O
and	O
is	O
now	O
maintained	O
by	O
the	O
Italian	O
National	O
Institute	O
for	O
Nuclear	O
Physics	O
(	O
INFN	O
)	O
.	O
</s>
<s>
VOMS	B-Operating_System
is	O
also	O
an	O
acronym	O
for	O
VOucher	O
Management	O
System	O
used	O
for	O
providing	O
recharge	O
management	O
services	O
for	O
Prepaid	O
Systems	O
of	O
Telecom	O
Service	O
Providers	O
.	O
</s>
