OS Fundamentals
IDE/SCSI
IDE (Integrated Device Electronics) / EIDE (Enhanced
Integrated Device Electronics)
A type of disk drive interface in which the controller resides on
the device itself.
SCSI(Small Computer System Interface) A standard high speed
parallel interface, used for connecting peripherals such as hard
drives, printers etc. You need an adapter card for SCSI devices.
Internal/External
Internal commands are built into COMMAND.COM. External commands are
separate files and usually have an extension of .COM, .EXE, or .BAT.
Examples of Internal Commands
COPY, DATE, DEL, DIR, MKDIR, REM, SET, TIME, TYPE, VER, VERIFY
|
Examples of Extenal Commands
ATTRIB.EXE, CHKDSK.EXE, COMMAND.COM,
DISKCOPY.COM, EDIT.COM, EMM386.EXE, FDISK.EXE,
FORMAT.COM, HELP.EXE, MEM.EXE, MORE.COM, SETVER.EXE,
SORT.EXE, SYS.COM, XCOPY.EXE
|
Backup/Restore
Each
time Windows 95 starts, it backs up the Registry by copying the
current SYSTEM.DAT and USER.DAT files to SYSTEM.DA0 and USER.DA0
Windows 98 comes with
Scanreg
If
you have trouble starting windows 95/98 you can use a Start Up Disk,
to create one, go to add/remove in control panel select Start Up
Disk.
The
Startup Disk is a bootable system disk with a collection of
real-mode Windows 9x commands and utilities that you can use to
restart your computer, 98 also adds a generic CD ROM driver, and
other utilities.
|