What do some common Unix file extensions mean?
Common Unix file extensions include:
.asc |
ASCII (text) file, often containing ANSI codes |
.awk |
awk script |
.bak |
Backup copy of file |
.bz2 |
bzip2 compressed file |
.c |
C program source code |
.C |
C++ program source code |
.cc |
C++ program source code |
.cgi |
CGI web page program |
.dat |
Data or other information |
.doc |
Explanatory text file |
.dvi |
DVI format document, produced by TeX/LaTeX |
.el |
Emacs Lisp source code |
.elc |
Compiled Emacs Lisp program |
.f |
Fortran source code |
.f77 |
Fortran source code (f77 compiler) |
.fig |
Xfig data file |
.for |
Fortran source code (fort compiler) |
.gif |
GIF image file |
.gz |
gzip compressed file |
.h |
C or C++ program header file |
.html |
Hypertext Markup Language document |
.info |
Emacs TeXinfo file in "info" format |
.jpg |
Graphical image file in JPEG format |
.log |
Logged information |
.m |
Maple file |
.mat |
Matlab script |
.me |
nroff input file for processing with
-me option |
.mpg |
MPEG animation file |
.ms |
nroff input file for processing with
-ms option |
.o |
Object code, produced by compilers |
.pal |
Xpaint palette file |
.pbm |
Portable bitmap |
.pgm |
Portable gray scale pixmap |
.pl |
Perl program |
.png |
PNG format graphics file (similar to GIF) |
.ppm |
Portable pixmap |
.ps |
PostScript format document |
.py |
Python program |
.rast |
Sun raster file |
.rgb |
SGI native image file |
.shar |
Shell archive (expand with sh file.shar) |
.ss |
Scheme source code |
.S |
Assembly (machine) code |
.tar |
Tape archive, used by tar command |
.tar.gz |
Tarred-then-gzipped files |
.tex |
TeX or LaTeX format document |
.tif |
TIFF (Adobe) image file |
.tgz |
Tarred-then-gzipped files (equivalent to .tar.gz) |
.txt |
Generic text file |
.uue |
uuencoded file |
.xbm |
X bitmap |
.z |
Packed file (from the pack command) or early gzip file |
.Z |
Compressed file, from compress command |
.zip |
Zipped (compressed) file, from zip command
|
Some others include:
*~ |
(File ending with ~ ) Emacs backup file |
#*# |
(File surrounded with #'s) Emacs autobackup file |
,* |
(File beginning with , ) MH removed message |
.*rc |
(File starting with a dot, ending with rc) configuration file |
Lastly, files with an extension that is a number or a number plus a
letter (e.g., cat.1, dbm.3b) are often
manual page files, in runoff format.
At Indiana University, for personal or departmental Linux or Unix systems support, see At IU, how do I get support for Linux or Unix?
This is document affo in domain all.
Last modified on November 02, 2010.
Last modified on November 02, 2010.
