Dec 052017
November PC MAG Utilities - (ignore VOL720.ARC).
File VOL7N20.ZIP from The Programmer’s Corner in
Category Files from Magazines
November PC MAG Utilities – (ignore VOL720.ARC).
File Name File Size Zip Size Zip Type
BAT_CASE.BAT 601 315 deflated
BIGGER.PAS 2491 958 deflated
CONFIG.ASM 37443 7349 deflated
CONFIG.BAS 9281 2895 deflated
CONFIG.CTL 1676 1309 deflated
CONFIG.DOC 2406 1225 deflated
CURSOR.PAS 1656 636 deflated
ENV720.ZIP 7063 6203 deflated
GETKEY.COM 8 8 stored
MEMSIZE.PAS 784 426 deflated
PP720.ZIP 6620 6030 deflated
VIDEODEM.PAS 1293 494 deflated

Download File VOL7N20.ZIP Here

Contents of the CONFIG.DOC file

Device Driver

Michael J. Mefford
1988 No. 20 (Utilities)

Purpose:A device driver that lets you modifiy your CONFIG.SYS file while
the system is booting up.

Format:DEVICE=[path]CONFIG.CTL m
entries to be

Remarks:CONFIG.SYS command lines to be edited or bypassed must be placed
between the DEVICE= lines shown above. The m parameter sets the number of
seconds CONFIG.CTL pauses before continuing with an unmodified normal boot-up
sequence. Pressing any key (except Esc) during this pause brings up a
point-and-shoot menu of the editable CONFIG.SYS commands.

The Up and Down Arrow keys move the menu highlight bar between the
various editable command lines; PgUp and PgDn move the bar to the first and last
lines, respectively. Pressing F1 deactivates (or re-activates) the highlighted
command. F2 accepts all changes and boots up. Pressing Esc bypasses all
CONFIG.CTL actions.

The highlighted line can also be edited, subject to two limitations.
First, no completely new line may be added; and second, the number of characters
in an existing line may not be increased (it may be shortened). For editing,
the Left and Right Arrow keys and the Backspace key are supported; Home and End
move to the ends of the highlighted line. The editor operates in overstrike
mode. Examples:


The above BUFFERS line will permit a subsequent increase to 999. The
two DEVICE= lines will give harmless error messages normally, but permit
substituting a new device driver and loading ANSI.SYS by changing a single

Changes made using CONFIG.CTL affect only the current session; they do
not permanently modify CONFIG.SYS. If not set, the m parameter defaults to 0
(no pause), bypassing the prompt. The CONFIG.CTL program can still be activated
in this situation, however, by pressing any key (except Esc) immediately
following the boot-up beep.

CONFIG.CTL is already compiled and ready to run. If you prefer,
CONFIG.BAS will create CONFIG.CTL when run once in BASIC. The .ASM source code
listings are also downloadable, but require you to use a macro assembler (IBM or
Microsoft Version 2 or later).

Photocopy and trim this page. Trim and hole-punch the copy and add it
to your DOS manual.

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