典型的文件扩展名 Extension Meaning file bak Backup file file. c C source program file. gif Compuserve Graphical Interchange Format image file. hl Help file file. html World Wide Web Hyper Text Markup Language document file. jpg Still picture encoded with the JPEG standard file. mp3 Music encoded in MPEG layer 3 audio format file. mpg g Movie encoded with the MPEG standard file. o Object file(compiler output, not yet linked file. pdf Portable document format file file.ps Postscript file file. tex Input for the TEX formatting program file. txt General text file file. zip Compressed archive 2002-7-5 东北大学软件所于戈 第五章分布式文件管理2002-7-5 东北大学软件所 于戈 第五章 分布式文件管理 6 典型的文件扩展名