<s>
In	O
computing	O
,	O
del	B-Device
(	O
or	O
erase	B-Device
)	O
is	O
a	O
command	B-Application
in	O
command-line	O
interpreters	O
(	O
shells	B-Operating_System
)	O
such	O
as	O
COMMAND.COM	B-Operating_System
,	O
cmd.exe	B-Device
,	O
4DOS	B-Application
,	O
NDOS	B-Application
,	O
4OS2	B-Application
,	O
4NT	B-Application
and	O
Windows	B-Application
PowerShell	I-Application
.	O
</s>
<s>
It	O
is	O
used	O
to	O
delete	B-Device
one	O
or	O
more	O
files	B-Operating_System
or	O
directories	B-Application
from	O
a	O
file	B-Application
system	I-Application
.	O
</s>
<s>
The	O
command	B-Application
is	O
available	O
for	O
various	O
operating	B-General_Concept
systems	I-General_Concept
including	O
DOS	B-Device
,	O
Microware	B-Operating_System
OS-9	B-Operating_System
,	O
IBM	B-Application
OS/2	I-Application
,	O
Microsoft	B-Application
Windows	I-Application
and	O
ReactOS	B-Application
.	O
</s>
<s>
It	O
is	O
analogous	O
to	O
the	O
Unix	B-Application
rm	B-Application
command	B-Application
and	O
to	O
the	O
Stratus	B-General_Concept
OpenVOS	I-General_Concept
delete_file	O
and	O
delete_dircommands	O
.	O
</s>
<s>
DEC	O
RT-11	B-Operating_System
,	O
OS/8	B-Operating_System
,	O
RSX-11	B-Application
,	O
and	O
OpenVMS	B-Operating_System
also	O
provide	O
the	O
delete	B-Device
command	B-Application
which	O
can	O
be	O
contracted	O
to	O
del	B-Device
.	O
</s>
<s>
AmigaDOS	B-Operating_System
and	O
TSC	O
FLEX	B-Device
provide	O
a	O
delete	B-Device
command	B-Application
as	O
well	O
.	O
</s>
<s>
The	O
erase	B-Device
command	B-Application
is	O
supported	O
by	O
Tim	O
Paterson	O
's	O
SCP	B-Operating_System
86-DOS	I-Operating_System
.	O
</s>
<s>
On	O
MS-DOS	B-Application
,	O
the	O
command	B-Application
is	O
available	O
in	O
versions	O
1	O
and	O
later	O
.	O
</s>
<s>
It	O
is	O
also	O
available	O
in	O
the	O
open-source	B-Application
MS-DOS	B-Application
emulator	B-Application
DOSBox	B-Application
.	O
</s>
<s>
Datalight	O
ROM-DOS	B-Operating_System
also	O
includes	O
an	O
implementation	O
of	O
the	O
and	O
commands	O
.	O
</s>
<s>
While	O
Digital	O
Research	O
DR-DOS	B-Application
supports	O
del	B-Device
and	O
erase	B-Device
as	O
well	O
,	O
it	O
also	O
supports	O
the	O
shorthand	O
form	O
era	O
,	O
which	O
derived	O
from	O
CP/M	B-Application
.	O
</s>
<s>
In	O
addition	O
to	O
this	O
,	O
the	O
DR-DOS	B-Application
command	B-Application
processor	O
also	O
supports	O
delq/eraq	O
.	O
</s>
<s>
These	O
are	O
shorthand	O
forms	O
for	O
the	O
del/era/erase	O
command	B-Application
with	O
an	O
assumed	O
/Q	O
parameter	O
(	O
for	O
'	O
Query	O
 '	O
)	O
given	O
as	O
well	O
.	O
</s>
<s>
THEOS/OASIS	B-Device
and	O
FlexOS	B-Operating_System
provide	O
only	O
the	O
erase	B-Device
command	B-Application
.	O
</s>
<s>
In	O
PowerShell	B-Application
,	O
del	B-Device
and	O
erase	B-Device
are	O
predefined	O
command	B-Device
aliases	I-Device
for	O
the	O
Remove-Item	O
cmdlet	O
which	O
basically	O
serves	O
the	O
same	O
purpose	O
.	O
</s>
