<s>
fcron	B-Device
is	O
a	O
computer	B-Application
program	I-Application
with	O
a	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GNU	B-License
GPL	I-License
)	O
license	O
that	O
performs	O
periodic	O
command	O
scheduling	O
.	O
</s>
<s>
It	O
has	O
been	O
developed	O
on	O
Linux	B-Application
and	O
should	O
work	O
on	O
POSIX	O
systems	O
.	O
</s>
<s>
As	O
with	O
Anacron	B-Device
,	O
it	O
does	O
not	O
assume	O
that	O
the	O
system	O
is	O
running	O
continuously	O
,	O
and	O
can	O
run	O
in	O
systems	O
that	O
do	O
not	O
run	O
all	O
the	O
time	O
or	O
regularly	O
.	O
</s>
<s>
It	O
aims	O
to	O
replace	O
Vixie-cron	B-General_Concept
and	O
Anacron	B-Device
with	O
a	O
single	O
integrated	O
program	O
,	O
providing	O
many	O
features	O
missing	O
from	O
the	O
original	O
Cron	B-General_Concept
daemon	O
.	O
</s>
