Many home DVD players can play: DVD-Audio, DVD-Video, DVD-RAM/R, CD, CD-R/RW, WMA, MP3, JPEG, and HDCD
MP3 sound files have an .mp3 file extension, and common file extensions for raw, uncompressed sound files are .wav and .aif. Pg. 474
For windows, you might use .cmd, .bat as common file extensions. Unix doesn't use file extensions as associations, so no file extension needs to be used in the Unix environment. A shell script in Unix is simply a text file with any name that is readable and executable. However, file extensions are typically used in Unix as a documentation aid that states that the file is a shell script. Common extensions are .sh, .csh, .ksh, .tcsh, .zsh, etc.
File extensions tell the computer what kind of program was used to create it, and are usually three letters. Common file extensions are .txt .doc .wps
No, folders usually do not have file extensions, but they could have if you like. Usually only files have extensions, to indicate the contents of the file.
I have found that most players play the file extensions MPEG2 and DVD, although there is still the problem with some home players not playing either ( I still haven't figured out why ) while still other home players play them with no problem.
Most common graphic file extensions are: .jpg .jpeg .png .gif (for animated images)
The most common is .html (hypertext mark-up language)
There are no set file extensions for an ASCII text file, however one that is commonly used is .txt
Rules for file extensions are based mainly on the underlying operating system and/or file system. Generally speaking, file extensions are just a part of the file name, and can be set to whatever you like.
If a file is created or edited in Paint then it can be saved with a number of format extensions such as PNG or JPEG or BMP. The most common one people use is JPEG.
What do file extensions like avi, dv, dvd, mpeg mean?
File extensions can range from 1 letter to 7 letters. For example ".A" used with Unix library or ".TORRENT" which stores metadata used for BitTorrent, and even double file extensions such as ".TAR.GZ" formed when a ".TAR" is compressed with a ".gzip".