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- FILE
-
- A place on a disk that holds some data or a program. To tell the computer to
- do something to a file, the file has to have a filename. A filename may have
- up to 8 characters, and may be followed by a period (.) and an extension. DOS
- commands to manipulate files are summarized in the SUMMARY FILE_MANIPULATION
- topic.
-
- FILENAME.EXT
- / \
- filename extension
-
- Filenames can include letters (A through Z) and numbers (0 through 9). "A"
- and "a" are equivalent in a filename. Other characters such as !, #, $, and
- _ can be used, but occasionally some program may object. DOS 4.0 users can
- include many of the international characters in filenames. The DOS special
- characters listed in the NEW_TERMS SPECIAL_CHARACTERS definition should not
- be used.
-
- Some filenames, called device names, have special meaning to DOS. They are
- listed in the NEW_TERMS DEVICE_NAMES topic. Adding an extension to a device
- name is usually allowed, but it is still a device name.