Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!nosc!cod!baird
From: baird@cod.NOSC.MIL (John M. Baird)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Are .FILE extentions standard in MSDOS?
Message-ID: <1118@cod.NOSC.MIL>
Date: 16 Jun 88 15:30:41 GMT
References: <1159@iitmax.IIT.EDU>
Reply-To: baird@cod.nosc.mil.UUCP (John M. Baird)
Organization: Naval Ocean Systems Center, San Diego
Lines: 44

Standards...We got lots of standards. Pick your favorite.
Seriously, there are no standards, but here are some of the commonly used
extensions I have noticed in using various commercial software. Even this
list is not complete.

John Baird Naval Ocean Systems Center, San Diego (619)553-2197
-------
     EXTENSION       WHAT IT (USUALLY) MEANS
	ARC		Archive file output by some archive program
	ASM		Assembler input for MACRO Assembler
	BAK		Editor program backup copy of text file
	BAS		BASIC language source program
	BAT		A batch file for DOS
	BIN		Binary image version of an executable object file
	C		C language source program
	CAL		A spreadsheet file in SuperCALC format
	CBL		COBOL language source program
	COB		COBOL language source program
	COM		A program in binary image (non-relocatable) format
	CSV		A text file in comma separated variable format
	DAT		A data file
	DIF		A spreadsheet file in Data Interchange Format
	DBF		A database file in dBASE format
	DOC		A file containing documentation for some program
	EXE		A program in relocatable load module format
	FOR		FORTRAN language source program
	H		C language include file
	INC		PASCAL language include file
	LIB		Linker library file
	MAC		Macro input file
	MAP		Linker listing file
	NDX		An index file in dBASE format
	OBJ		Object code output by some complier
	OVR		File overlay to be used with a EXE or COM file
	PAS		PASCAL language source program
	PIC		A graphic file in LOTUS-1-2-3 format
	RBS		A database file in R:base format
	SLK		A spreadsheet file in SYLK format
	SYL		A spreadsheet file in SYLK format
	SYS		A system file, probably in binary image format
	TXT		A text file
	TMP		A temporary file
	WKS		A spreadsheet file in LOTUS-1-2-3 format
	WK1		A spreadsheet file in LOTUS-1-2-3 format
	XLC		A spreadsheet file in Excel format (also XLM, XLS, XLW)