perm filename EXT[3,2]3 blob sn#102418
filedate 1974-05-17 generic text, type T, neo UTF8
File names have three parts, the name, extension, and directory name.
Extensions are 0 to 3 letters or digits.
The file extension is often used to identify the different kinds of files.
Some common extensions and their meanings are:
REL relocatable binary file
DMP core image file
F4 Fortran Source
SAI Sail source
FAI FAIL source
LST listing output file
DOC some documentation file
MSG MAIL message file
PUB PUB source file
XGP file prepared for Xerox Graphics Printer
FNT XGP font file
TMP temporary file for some program
RPG information saved from RPG commands (COMPILE, etc.)
TXT ASCII text file other than above
On the program documentation areas [S,DOC] and [UP,DOC], the file
extension is usually used to indicate the programmer name of the
author of the file.