<s>
SPF/PC	B-Application
is	O
an	O
MS-DOS-based	O
text	B-Application
editor	I-Application
and	O
file	B-Application
manager	I-Application
designed	O
to	O
have	O
an	O
interface	O
that	O
was	O
familiar	O
to	O
those	O
using	O
mainframe	B-Architecture
SPF	O
and	O
ISPF	B-Operating_System
.	O
</s>
<s>
Later	O
Microsoft	O
Windows-based	O
versions	O
were	O
named	O
SPF/SE	B-Application
and	O
SPF/SE	B-Application
365	O
.	O
</s>
<s>
A	O
version	O
for	O
OS/2	B-Application
named	O
SPF/2	O
was	O
also	O
offered	O
.	O
</s>
<s>
SPF/SE	B-Application
and	O
SPF/SE	B-Application
365	O
were	O
released	O
as	O
freeware	B-License
in	O
2022	O
after	O
the	O
death	O
of	O
Tim	O
Tetiva	O
,	O
the	O
author	O
of	O
SPF/PC	B-Application
and	O
SPF/SE	B-Application
.	O
</s>
<s>
SPF/PC	B-Application
was	O
introduced	O
by	O
and	O
successors	O
sold	O
by	O
Command	O
Technology	O
Corporation	O
.	O
</s>
<s>
Similar	O
to	O
IBM	O
's	O
mainframe	B-Architecture
based	O
ISPF	B-Operating_System
and	O
is	O
able	O
to	O
edit	O
ASCII	B-Protocol
and	O
EBCDIC	B-Language
text	O
file	O
as	O
a	O
complete	O
integrated	O
applications	O
development	O
environment	O
(	O
IDE	O
)	O
.	O
</s>
<s>
Typically	O
used	O
for	O
editing	O
source	O
code	O
,	O
invoking	O
compilers	O
,	O
linkers	O
,	O
and	O
debuggers	O
,	O
in	O
a	O
variety	O
of	O
programming	O
languages	O
,	O
such	O
as	O
COBOL	B-Application
,	O
Fortran	B-Application
,	O
and	O
C++	B-Language
.	O
</s>
<s>
64-bit	O
Windows	O
ca	O
n't	O
run	O
SPF/PC	B-Application
(	O
Will	O
run	O
under	O
DOSBox	B-Application
)	O
,	O
but	O
it	O
can	O
still	O
be	O
used	O
on	O
32-bit	B-Application
Windows	I-Application
(	O
e.g.	O
</s>
<s>
Windows	B-Application
XP	I-Application
or	O
Windows	B-Device
7	I-Device
in	O
XP	B-Application
Mode	O
)	O
.	O
</s>
<s>
SPF/SE	B-Application
365	O
uses	O
a	O
C	B-Language
like	O
macro/scripting	O
language	O
.	O
</s>
<s>
All	O
versions	O
of	O
SPF	O
have	O
the	O
ability	O
to	O
call	O
any	O
interpreter	O
(	O
PHP	B-Application
,	O
BASIC	O
,	O
Powershell	B-Application
,	O
etc	O
.	O
)	O
</s>
<s>
SPF/SE	B-Application
does	O
not	O
have	O
the	O
REXX	B-Language
interface	O
that	O
SPF/PC	B-Application
had	O
.	O
</s>
