Display file directories BYE Return to the operating system. Delete the specified program lines. If used inside a program, DEL will terminate execution only if it deletes the line on which it appears. Renumber program lines. Comments may contain any characters except that REM can not be immediately followed by an alphanumeric character.
Variable names are case-sensitive.
Allocate memory for arrays. Arrays may have up to 4 dimensions, ranging from 0 to the value specified in the DIM statement. The same name must not be used for both a simple variable and an array. If an array is used before it is dimensioned, each dimension is set to 10. Print the items on the screen.