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page_10.inf
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1992-12-29
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This page gives you information about various programs that are typcially
loaded into memory.
Some memory resident programs use a special interrupt to communicate with
other programs. By giving a special 'signature' with the command, many
programs can share this one interrupt.
DOS: Checks if DOS is readable!
DRIVER.SYS: This is used to add in extra floppies, or to redefine a drive
that is not normally supported. Also, DOS 4 and 5 support
some of it's functions, and will always display as yes.
DISPLAY.SYS: This is used when non-US display characters are needed.
ANSI.SYS: This lets you display color, control the cursor, and
re-define keys.
This check is supported by DOS 4 and newer ANSI.SYS, and the
5/91 (or newer) version of NNANSI. Other versions will
probably not be detected.
EGA.SYS: This is used by Windows 3 and some mouse drivers. Some of the
registers used to control the EGA are WRITE ONLY. EGA.SYS is
an interface that lets programs keep track of things easier.
PRINT: This is DOS's program that will send a file to the printer
while running in the background. If PRINT is found, INFOPLUS
will display information about it on the right side of the
screen.
ASSIGN: ASSIGN lets you redefine drive letters. ASSIGN A=B B=A will
reverse the drive letters used by your floppies. ASSIGN by
itself cancels all redefinitions.
SHARE: This is used to control access to files in network and
multi-tasking environments. Under DOS 4, it also prevents
problems when FCBs are used on large partitions.
Windows and OS/2 DOS sessions have SHARE support built-in.
NLSFUNC: This is used when non-US displays and keyboards are wanted.
Windows has NLSFUNC support built-in.
GRAFTABL: The CGA lets you redefine the upper 128 ASCII characters in
graphics mode. GRAFTABL loads the normal high-ASCII
characters for display. There are two entries, one for DOS 4
and older, the other for DOS 5 and newer.
NETBIOS: These are interfaces for networks.
SHELLB: This is part of DOS 4's DOSSHELL program.
XMA2EMS: This is a program for PS/2's that convert extended memory to
EMS memory.
APPEND: Append lets you specify a PATH that is used when a program
attempts to open a file. It works similar to the PATH command
used at the DOS prompt. If found, extra information will be
displayed on the right side of the screen.
GRAPHICS.COM: This is a DOS program that lets the PrtScrn key print
graphics screen.
Crit.err.handlr: When a critical error occurs, it's possible to have a
special TSR handle things.
CDROM: Some CDROM's use this interface.
Network: This is supposed to be a generic Network information call.
DOSKEY: This is the command line editor for DOS 5.
DOS Extender: This is a new standardized check for DOS extenders. DOS
extenders allow programs to run in protected mode, accessing
more than 1M of memory.
SETVER list: SETVER is a DOS 5 command that allows you to change the
version of DOS that a program sees. There are many programs
already set in the default configuration. You must re-boot
DOS to put any changes into effect.