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.
Most common graphic file extensions are: .jpg .jpeg .png .gif (for animated images)
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.
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
Windows hides file extensions in File Explorer by default for known file types to simplify the user experience and reduce clutter. This setting can be adjusted in the Folder Options menu, where users can choose to show file extensions for all files. The option is typically turned on for security reasons, as displaying extensions can help users identify potentially harmful files. To view file extensions, users can enable the "File name extensions" checkbox in the "View" tab of the Ribbon in File Explorer.
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.
What do file extensions like avi, dv, dvd, mpeg mean?
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.