<s>
GNU	B-Application
Sharutils	I-Application
is	O
a	O
set	O
of	O
utilities	O
to	O
handle	O
shell	B-General_Concept
archives	I-General_Concept
.	O
</s>
<s>
The	O
GNU	O
shar	B-General_Concept
utility	O
produces	O
a	O
single	O
file	B-Operating_System
out	O
of	O
many	O
files	O
and	O
prepares	O
them	O
for	O
transmission	O
by	O
electronic	O
mail	O
services	O
,	O
for	O
example	O
by	O
converting	O
binary	O
files	O
into	O
plain	O
ASCII	B-Protocol
text	I-Protocol
.	O
</s>
<s>
A	O
shell	B-General_Concept
archive	I-General_Concept
is	O
a	O
collection	O
of	O
files	O
that	O
can	O
be	O
unpacked	O
by	O
the	B-Device
Bourne	I-Device
shell	I-Device
.	O
</s>
<s>
A	O
wide	O
range	O
of	O
features	O
provide	O
extensive	O
flexibility	O
in	O
manufacturing	O
shar	B-General_Concept
archives	O
and	O
in	O
specifying	O
shar	B-General_Concept
smartness	O
.	O
</s>
<s>
For	O
example	O
,	O
shar	B-General_Concept
may	O
compress	B-General_Concept
files	O
,	O
uuencode	B-Device
binary	O
files	O
,	O
split	O
long	O
files	O
and	O
construct	O
multi-part	O
mailings	O
,	O
ensure	O
correct	O
unsharing	O
order	O
,	O
and	O
provide	O
md5sum	B-Device
or	O
byte	O
count	O
verification	O
.	O
</s>
<s>
GNU	O
unshar	B-General_Concept
scans	O
a	O
set	O
of	O
mail	O
messages	O
looking	O
for	O
the	O
start	O
of	O
shell	B-General_Concept
archives	I-General_Concept
.	O
</s>
<s>
unshar	B-General_Concept
may	O
also	O
process	O
files	O
containing	O
concatenated	O
shell	B-General_Concept
archives	I-General_Concept
.	O
</s>
