> Commands N-Z
> Commands Q
Starts QBasic, a program that reads instructions written
in the Basic computer language and interprets them into executable
The QBasic program provides a complete environment for
programming in the Basic language. QBasic includes extensive online
Help. For more information about using QBasic, press ENTER
immediately after starting QBasic or press F1 any time while
- Specifies the location and name of the file to load when
- Displays QBasic in black and white if you have a color
- UNDOCUMENTED: Used by
EDIT.COM to start the
editor. It MUST be typed in all capitals.
- Invokes DOS Editor,
a full-screen text editor.
- Provides the fastest update of a CGA monitor.
- Displays the maximum number of display lines possible on your
- Converts the built-in functions MKS$, MKD$, CVS, and CVD to
MKSMBF$, MKDMBF$, CVSMBF, and CVDMBF, respectively.
- Allows the use of a monitor that does not support
high-intensity video. Do not use this switch with Compaq laptop
- UNDOCUMENTED: Used by HELP.COM to start the
operating system help.
- Runs the specified Basic program before displaying it. You
must specify a filename.
GW-BASIC "gee whiz" basic interpreter.
Cannot use DOS Editor if DOS QBasic is not present
To use DOS Editor, you must
have the QBASIC.EXE file in the current directory, or in the same
directory as the EDIT.COM file in
your search path. If you delete QBASIC.EXE to save space on your
hard disk, you cannot use
Running consecutive Basic programs
You can run consecutive Basic programs from a batch file by
using the Basic SYSTEM statement and the QBASIC command with the
/RUN switch. A SYSTEM statement
quits QBASIC and returns control to the operating system after a
Basic program has run, instead of returning to QBasic. This
allows you to run more than one Basic program from a batch file
without having to intervene.
Display of shortcut keys
Some monitors may not support the display of shortcut keys by
default. If your monitor does not display shortcut keys, use the
/B switch (for CGA monitors) and
the /NOHI switch (for systems
that do not support bold characters).
- Windows NT