The CONFIG.SYS File
When DOS boots up, it looks in the root directory of the boot disk for a
text file named CONFIG.SYS. If that file exists, it is read and processed
as a list of configuration commands.
Command Function Command Function
BREAK= Ctrl-Break test level Û INSTALLHIGH= load TSRs into UMB
BUFFERS= # of disk I/O buffers Û MENUITEM= menu text & action
COUNTRY= country-dependant info Û MENUCOLOR= menu colors
cmd?= conditional execution Û MENUDEFAULT= default and time-out
DEVICE= install device driver Û NUMLOCK= state of NumLock
DEVICEHIGH= install driver in UMB Û REM or ; comments in CONFIG.SYS
DRIVPARM= parms for disk drivers Û SET e-vars in CONFIG.SYS
FCBS= max open FCBs Û SHELL= install cmd processor
LASTDRIVE= SUBST drive ID limit Û STACKS= hdwr int stack sizes
FILES= max # of file handles Û SUBMENU= set up a submenu
INCLUDE= run cmds in a block Û SWITCHAR= cmd-line switch char
INSTALL= load TSRs Û SWITCHES= kydb, boot opts, etc.
CONFIG.SYS is a standard text file^, created by any text editor. Changes
to CONFIG.SYS take effect only after you restart DOS.
See Also: Enhanced CONFIG.SYS Options
MultiConfig Menus
Device Drivers
System Startup Sequence
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