SUFFIXES(7) Miscellaneous Information Manual SUFFIXES(7)
NAME
suffixes - list of file suffixes
DESCRIPTION
It is customary to indicate the contents of a file with the file suf-
fix, which (typically) consists of a period, followed by one or more
letters. Many standard utilities, such as compilers, use this to rec-
ognize the type of file they are dealing with. The make(1) utility is
driven by rules based on file suffix.
Following is a list of suffixes which are likely to be found on a Linux
system.
│
Suffix │ File type
─────────────├─────────────────────────────────────────────────────
,v │ files for RCS (Revision Control System)
- │ backup file
.C │ C++ source code, equivalent to .cc
.F │ Fortran source with cpp(1) directives
│ or file compressed using freeze
.S │ assembler source with cpp(1) directives
.Y │ file compressed using yabba
.Z │ file compressed using compress(1)
.[0-9]+gf │ TeX generic font files
.[0-9]+pk │ TeX packed font files
.[1-9] │ manual page for the corresponding section
.[1-9][a-z] │ manual page for section plus subsection
.a │ static object code library
.ad │ X application default resource file
.ada │ Ada source (may be body, spec, or combination)
.adb │ Ada body source
.ads │ Ada spec source
.afm │ PostScript font metrics
.al │ Perl autoload file
.am │ automake(1) input file
.arc │ arc(1) archive
.arj │ arj(1) archive
.asc │ PGP ASCII-armored data
.asm │ (GNU) assembler source file
.au │ Audio sound file
.aux │ LaTeX auxiliary file
.avi │ (msvideo) movie
.awk │ AWK language program
.b │ LILO boot loader image
.bak │ backup file
.bash │ bash(1) shell script
.bb │ basic block list data produced by
│ gcc -ftest-coverage
.bbg │ basic block graph data produced by
│ gcc -ftest-coverage
.bbl │ BibTeX output
.bdf │ X font file
.bib │ TeX bibliographic database, BibTeX input
.bm │ bitmap source
.bmp │ bitmap
.bz2 │ file compressed using bzip2(1)
.c │ C source
.cat │ message catalog files
.cc │ C++ source
.cf │ configuration file
.cfg │ configuration file
.cgi │ WWW content generating script or program
.cls │ LaTeX Class definition
.class │ Java compiled byte-code
.conf │ configuration file
.config │ configuration file
.cpp │ equivalent to .cc
.csh │ csh(1) shell script
.cxx │ equivalent to .cc
.dat │ data file
.deb │ Debian software package
.def │ Modula-2 source for definition modules
.def │ other definition files
.desc │ initial part of mail message unpacked with
│ munpack(1)
.diff │ file differences (diff(1) command output)
.dir │ dbm data base directory file
.doc │ documentation file
.dsc │ Debian Source Control (source package)
.dtx │ LaTeX package source file
.dvi │ TeX's device independent output
.el │ Emacs-Lisp source
.elc │ compiled Emacs-Lisp source
.eps │ encapsulated PostScript
.exp │ Expect source code
.f │ Fortran source
.f77 │ Fortran 77 source
.f90 │ Fortran 90 source
.fas │ precompiled Common-Lisp
.fi │ Fortran include files
.fig │ FIG image file (used by xfig(1))
.fmt │ TeX format file
.gif │ Compuserve Graphics Image File format
.gmo │ GNU format message catalog
.gsf │ Ghostscript fonts
.gz │ file compressed using gzip(1)
.h │ C or C++ header files
.help │ help file
.hf │ equivalent to .help
.hlp │ equivalent to .help
.htm │ poor man's .html
.html │ HTML document used with the World Wide Web
.hqx │ 7-bit encoded Macintosh file
.i │ C source after preprocessing
.icon │ bitmap source
.idx │ reference or datum-index file for hypertext
│ or database system
.image │ bitmap source
.in │ configuration template, especially for GNU Autoconf
.info │ files for the Emacs info browser
.info-[0-9]+ │ split info files
.ins │ LaTeX package install file for docstrip
.itcl │ itcl source code;
│ itcl ([incr Tcl]) is an OO extension of tcl
.java │ a Java source file
.jpeg │ Joint Photographic Experts Group format
.jpg │ poor man's .jpeg
.kmap │ lyx(1) keymap
.l │ equivalent to .lex or .lisp
.lex │ lex(1) or flex(1) files
.lha │ lharc archive
.lib │ Common-Lisp library
.lisp │ Lisp source
.ln │ files for use with lint(1)
.log │ log file, in particular produced by TeX
.lsm │ Linux Software Map entry
.lsp │ Common-Lisp source
.lzh │ lharc archive
.m │ Objective-C source code
.m4 │ m4(1) source
.mac │ macro files for various programs
.man │ manual page (usually source rather than formatted)
.map │ map files for various programs
.me │ Nroff source using the me macro package
.mf │ Metafont (font generator for TeX) source
.mgp │ MagicPoint file
.mm │ sources for groff(1) in mm - format
.mo │ Message catalog binary file
.mod │ Modula-2 source for implementation modules
.mov │ (quicktime) movie
.mp │ Metapost source
.mp2 │ MPEG Layer 2 (audio) file
.mp3 │ MPEG Layer 3 (audio) file
.mpeg │ movie file
.o │ object file
.old │ old or backup file
.orig │ backup (original) version of a file, from patch(1)
.out │ output file, often executable program (a.out)
.p │ Pascal source
.pag │ dbm data base data file
.patch │ file differences for patch(1)
.pbm │ portable bitmap format
.pcf │ X11 font files
.pdf │ Adobe Portable Data Format
│ (use Acrobat/acroread or xpdf)
.perl │ Perl source (see .ph, .pl, and .pm)
.pfa │ PostScript font definition files, ASCII format
.pfb │ PostScript font definition files, binary format
.pgm │ portable greymap format
.pgp │ PGP binary data
.ph │ Perl header file
.php │ PHP program file
.php3 │ PHP3 program file
.pid │ File to store daemon PID (e.g., crond.pid)
.pl │ TeX property list file or Perl library file
.pm │ Perl module
.png │ Portable Network Graphics file
.po │ Message catalog source
.pod │ perldoc(1) file
.ppm │ portable pixmap format
.pr │ bitmap source
.ps │ PostScript file
.py │ Python source
.pyc │ compiled python
.qt │ quicktime movie
.r │ RATFOR source (obsolete)
.rej │ patches that patch(1) couldn't apply
.rpm │ RPM software package
.rtf │ Rich Text Format file
.rules │ rules for something
.s │ assembler source
.sa │ stub libraries for a.out shared libraries
.sc │ sc(1) spreadsheet commands
.scm │ Scheme source code
.sed │ sed source file
.sgml │ SGML source file
.sh │ sh(1) scripts
.shar │ archive created by the shar(1) utility
.so │ Shared library or dynamically loadable object
.sql │ SQL source
.sqml │ SQML schema or query program
.sty │ LaTeX style files
.sym │ Modula-2 compiled definition modules
.tar │ archive created by the tar(1) utility
.tar.Z │ tar(1) archive compressed with compress(1)
.tar.bz2 │ tar(1) archive compressed with bzip2(1)
.tar.gz │ tar(1) archive compressed with gzip(1)
.taz │ tar(1) archive compressed with compress(1)
.tcl │ tcl source code
.tex │ TeX or LaTeX source
.texi │ equivalent to .texinfo
.texinfo │ Texinfo documentation source
.text │ text file
.tfm │ TeX font metric file
.tgz │ tar archive compressed with gzip(1)
.tif │ poor man's .tiff
.tiff │ Tagged Image File Format
.tk │ tcl/tk script
.tmp │ temporary file
.tmpl │ template files
.txt │ equivalent to .text
.uu │ equivalent to .uue
.uue │ binary file encoded with uuencode(1)
.vf │ TeX virtual font file
.vpl │ TeX virtual property list file
.w │ Silvio Levi's CWEB
.wav │ wave sound file
.web │ Donald Knuth's WEB
.wml │ Source file for Web Meta Language
.xbm │ X11 bitmap source
.xcf │ GIMP graphic
.xml │ eXtended Markup Language file
.xpm │ X11 pixmap source
.xs │ Perl xsub file produced by h2xs
.xsl │ XSL stylesheet
.y │ yacc(1) or bison(1) (parser generator) files
.z │ File compressed using pack(1) (or an old gzip(1))
.zip │ zip(1) archive
.zoo │ zoo(1) archive
~ │ Emacs or patch(1) backup file
rc │ startup (`run control') file, e.g., .newsrc
STANDARDS
General UNIX conventions.
BUGS
This list is not exhaustive.
SEE ALSO
file(1), make(1)
Linux man-pages 6.03 2023-02-05 SUFFIXES(7)
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