Epson Apex User Manual - Page 62

Storing Data, B : DATAlØl . TXT

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Storing Data All your work and programs are stored in files on your diskettes. Each file must have a unique filename, so that you can retrieve it whenever you need to. The filename consists of two parts: the file name and the file extension. You can choose a filename up to eight characters long indicating what the file contains. The file extension, which can be up to three characters long, describes what type of file it is, such as a text file or program file. When you use an extension, you separate it from the file name with a period. For example, an MS-DOS filename might look like this: DATA1Ø1 . TXT Sometimes you have to further identify your files by telling MS-DOS which drive contains the diskette holding the file. To do this, you type the letter, A or B, of the disk drive where the diskette containing your file is located, followed by a colon, and then the filename. For example: B : DATAlØl . TXT You can type your filenames and drive identifiers in upper- or lowercase letters. MS-DOS does not differentiate between the two, but converts everything to uppercase letters. 4-6 Using MS-DOS with Your Apex

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Storing Data
All your work and programs are stored in files on your
diskettes. Each file must have a unique filename, so
that you can retrieve it whenever you need to. The
filename consists of two parts: the file name and the
file extension.
You can choose a filename up to eight characters long
indicating what the file contains. The file extension,
which can be up to three characters long, describes
what type of file it is, such as a text file or program file.
When you use an extension, you separate it from the
file name with a period. For example, an MS-DOS
filename might look like this:
DATA1Ø1 . TXT
Sometimes you have to further identify your files by
telling MS-DOS which drive contains the diskette
holding the file. To do this, you type the letter, A or B,
of the disk drive where the diskette containing your
file is located, followed by a colon, and then the
filename. For example:
B : DATAlØl . TXT
You can type your filenames and drive identifiers in
upper- or lowercase letters. MS-DOS does not
differentiate between the two, but converts everything
to uppercase letters.
4-6
Using MS-DOS with Your Apex