IBM 5150 Manual To Operations page 120

DOS Diskette Files
Here is a list of the files that are on the DOS Diskette.
This list may not be in the same order as your directory
list and of course you don't see two columns of names.
COMMAND .COM DANDY .BAS
CHKDSK .COM HAT .BAS
SYS .COM SAMPLES .BAS
FORMAT .COM BUG .BAS
TIME .COM DONKEY .BAS
DATE .COM
POP .BAS
DEBUG .COM MARCH .BAS
EDLIN .COM SCALES .BAS
DISKCOMP .COM
MORTGAGE.BAS
DISKCOPY .COM CALENDAR.BAS
MODE .COM BLUE .BAS
COMP .COM FORTY .BAS
LINK .EXE STARS .BAS
BASIC .COM SAKURA .BAS
BASICA .COM
CIRCLE .BAS
ART .BAS PIECHART .BAS
COLORBAR.BAS BALL .BAS
MUSIC .BAS
COMM .BAS
HUMOR .BAS
SPACE .BAS
There are two more files on your DOS Diskette but
they won't show up in a directory listing. They are:
IBMBIO .COM
IBMDOS .COM
and they are important because they're the "heart" of
DOS. They take up two of the 64 directory entries that
a diskette can have.
DOS 3-46