Appendix C Identifying/Finding File Extensions; Introduction - Red Hat LINUX 7.2 Manual

Section C.1:Introduction
C Identifying/Finding File Extensions
C.1 Introduction
This appendix lists and describes common Linux file extensions. Also included is a section explaining
how to get your system to properly identify a file with no extension, an incorrect one, or one that you
are uncertain about.
C.1.1 Compressed Files
• .tar - an archive file (short for tape archive)
• .gz - a compressed file (gzipped)
• .tgz - a tarred and gzipped file
C.1.2 File Formats
• .txt - a plain ASCII text file
• .html/.htm - an HTML file
• .ps - a PostScript file; formatted for printing
• .au - an audio file
• .wav - an audio file
• .xpm - an image file
• .jpg - a graphical or image file, such as a photo or artwork
• .gif - a graphical or image file
• .png - a graphical or image file
• .pdf - an electronic image of a document
C.1.3 System Files
• .rpm - a Red Hat Package Manager file
• .conf - a configuration file
• .a - an archive file
• .lock - a "lock" file; determines whether a program is in use
195