IBM 5150 Manual To Operations page 179

This might be the results of such a command if the DOS
Diskette were in drive B:.
Ok
files"b:* .bas
ART .BAS SAMPLES .BAS MORTGAGE.BAS
COLORBAR.BAS BUG .BAS CALENDAR.BAS
MUSIC .BAS DONKEY .BAS BLUE .BAS
HUMOR .BAS POP .BAS FORTY .BAS
DANDY .BAS MARCH .BAS STARS .BAS
HAT .BAS SCALES .BAS SAKURA .BAS
CIRCLE .BAS PIECHART.BAS BALL .BAS
SPACE .BAS COMM .BAS
Ok
BASIC 3-19