text
stringlengths 3
233
|
|---|
as O
|
well O
|
) O
|
, O
|
but O
|
it O
|
is O
|
commonly O
|
used O
|
to O
|
help O
|
maintain O
|
multiple O
|
configuration B-Protocol
|
files I-Protocol
|
in O
|
multi-boot O
|
scenarios O
|
. O
|
For O
|
example O
|
, O
|
with O
|
SYS O
|
/L O
|
/DR:703 O
|
the O
|
written O
|
Volume B-Device
|
Boot I-Device
|
Record I-Device
|
would O
|
look O
|
for O
|
a O
|
renamed O
|
and O
|
modified O
|
IBMBIO.703 O
|
system O
|
file O
|
( O
|
instead O
|
of O
|
the O
|
default O
|
IBMBIO.COM O
|
) O
|
and O
|
the O
|
IBMBIO.703 O
|
would O
|
look O
|
for O
|
IBMDOS.703 O
|
and O
|
[D]CONFIG.703 O
|
( O
|
instead O
|
of O
|
IBMDOS.COM O
|
and O
|
[D]CONFIG.SYS O
|
) O
|
, O
|
so O
|
that O
|
multiple O
|
parallel O
|
sets O
|
of O
|
files O
|
can O
|
coexist O
|
in O
|
the O
|
same O
|
root B-Application
|
directory I-Application
|
and O
|
be O
|
selected O
|
via O
|
a O
|
boot-loader O
|
like O
|
LOADER O
|
, O
|
supplied O
|
with O
|
Multiuser B-Operating_System
|
DOS I-Operating_System
|
and O
|
DR-DOS O
|
7.02/7.03 O
|
. O
|
The O
|
SHELL O
|
directive O
|
is O
|
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