Using
Abbreviations
for
A
ttribute
Names
and
V
alues
About
the
First-In-First-Out
(FIF
O)
Scheduling
Method
The
rst-in-rst-out
(fo)
sc
heduling
metho d
means
that
if
sev
eral
jobs
are
w
aiting
in
the
queue
and
all
of
the
jobs
can
b e
sc
heduled
to
only
one
ph
ysical
prin
ter
asso
ciated
with
the
queue,
the
sp o oler
sc
hedules
the
jobs
in
the
order
in
whic
h
the
queue
receiv
ed
the
jobs.
Figure
6-1
illustrates
the
fo
sc
heduling
metho d.
The
n
um
b er
in
paren
thesis
under
eac
h
job
iden
ties
the
ph
ysical
prin
ter
to
whic
h
the
sp o oler
can
sc
hedule
the
job;
ph
ysical
prin
ter
PhyPrt1
can
accept
jobs
A,
B,
and
C,
and
ph
ysical
prin
ter
PhyPrt2
can
accept
jobs
X,
Y,
and
Z.
Job
A
w
as
the
rst
job
receiv
ed
b
y
the
queue
and
job
Z
w
as
the
last.
The
sp o oler
will
sc
hedule
the
jobs
in
the
order
sho
wn
at
the
b ottom
of
the
gure.
Figure
6-1.
Fifo
Queue
Feeding
Tw
o
Physical
Printers
6-6
Configuring
Spoolers,
Queues,
and
Logical
Printers