<s>
The	O
SPARC	B-Architecture
Improved	O
bootLOader	B-Application
(	O
SILO	B-Application
)	O
is	O
the	O
bootloader	B-Application
used	O
by	O
the	O
SPARC	B-Architecture
port	O
of	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
;	O
it	O
can	O
also	O
be	O
used	O
for	O
Solaris	B-Application
as	O
a	O
replacement	O
for	O
the	O
standard	O
Solaris	B-Application
boot	B-Application
loader	I-Application
.	O
</s>
<s>
SILO	B-Application
generally	O
looks	O
similar	O
to	O
the	O
basic	O
version	O
of	O
LILO	B-Application
,	O
giving	O
a	O
"	O
boot	O
:	O
"	O
prompt	O
,	O
at	O
which	O
the	O
user	O
can	O
press	O
the	O
Tab	O
key	O
to	O
see	O
the	O
available	O
images	O
to	O
boot	O
.	O
</s>
<s>
The	O
configuration	O
file	O
format	O
is	O
reasonably	O
similar	O
to	O
LILO	B-Application
's	O
,	O
as	O
well	O
as	O
some	O
of	O
the	O
command-line	O
options	O
.	O
</s>
<s>
However	O
,	O
SILO	B-Application
differs	O
significantly	O
from	O
LILO	B-Application
because	O
it	O
reads	O
and	O
parses	O
the	O
configuration	O
file	O
at	O
boot	O
time	O
,	O
so	O
it	O
is	O
not	O
necessary	O
to	O
re-run	O
it	O
after	O
every	O
change	O
to	O
the	O
file	O
or	O
to	O
the	O
installed	O
kernel	O
images	O
.	O
</s>
<s>
SILO	B-Application
is	O
able	O
to	O
access	O
ext2	B-Application
,	O
ext3	B-Application
,	O
ext4	B-Application
,	O
UFS	B-Operating_System
,	O
romfs	B-Application
and	O
ISO	B-Application
9660	I-Application
file	O
systems	O
,	O
enabling	O
it	O
to	O
boot	O
arbitrary	O
kernels	O
from	O
them	O
(	O
more	O
similar	O
to	O
GRUB	B-Application
)	O
.	O
</s>
<s>
SILO	B-Application
also	O
has	O
support	O
for	O
transparent	O
decompression	O
of	O
gzipped	O
vmlinux	B-Application
images	O
,	O
making	O
the	O
bzImage	B-Application
format	O
unnecessary	O
on	O
SPARC	B-Architecture
Linux	B-Application
.	O
</s>
<s>
SILO	B-Application
is	O
loaded	O
from	O
the	O
SPARC	B-Architecture
PROM	B-General_Concept
.	O
</s>
<s>
Licensed	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
