<s>
In	O
operating	B-General_Concept
systems	I-General_Concept
,	O
a	O
task	B-General_Concept
manager	I-General_Concept
is	O
a	O
system	B-Application
monitor	I-Application
program	B-Application
used	O
to	O
provide	O
information	O
about	O
the	O
processes	B-Operating_System
and	O
applications	B-Application
running	O
on	O
a	O
computer	O
,	O
as	O
well	O
as	O
the	O
general	O
status	O
of	O
the	O
computer	O
.	O
</s>
<s>
Some	O
implementations	O
can	O
also	O
be	O
used	O
to	O
terminate	O
processes	B-Operating_System
and	O
applications	B-Application
,	O
as	O
well	O
as	O
change	O
the	O
processes	B-Operating_System
 '	O
scheduling	O
priority	O
.	O
</s>
<s>
In	O
some	O
environments	O
,	O
users	O
can	O
access	O
a	O
task	B-General_Concept
manager	I-General_Concept
with	O
the	O
Control-Alt-Delete	B-Device
keyboard	O
shortcut	O
.	O
</s>
<s>
Task	B-General_Concept
managers	I-General_Concept
can	O
display	O
running	O
services	O
(	O
processes	B-Operating_System
)	O
as	O
well	O
as	O
those	O
that	O
were	O
stopped	O
.	O
</s>
<s>
They	O
can	O
display	O
information	O
about	O
the	O
services	O
,	O
including	O
their	O
process	B-Operating_System
identifier	I-Operating_System
and	O
group	B-Application
identifier	I-Application
.	O
</s>
