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A+ Book 5
Operating System Basics
45
Computer Science
Professional
07/11/2013

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Term
Recent Windows OSes are based off of...
Definition
Windows NT, not Windows 3.0 or Windows 9x
Term
Hardware requirements for Different Windows Requirements
Definition
[image]
Term
Mac OS
Definition
first 9 revisions of the Mac OS were proprietary, built entirely by Apple.

Mac OS X and later are based on BSD Unix core with Apple proprietary enhancements
Term
Getting an A+ (5:1)
Definition
- Major operating systems are Windows, Linux, Mac

- Windows and Linux hardware is compatible, but applications are not.

- Linux comes in subvarieties called distributions

- all 3 OSes have similar GUI environments
Term
Choosing File Systems
Definition
Always choose NTFS.

Choose FAT, FAT32, or exFAT only if you need to dual-boot a computer with another OS.
Term
Registry
Definition
Stores all settings in either
- HKEY_LOCAL_MACHINE
or
- HKEY_CURRENT_USER
Term
Remote Assistance requests are always initiated by...
Definition
the person requesting help
Term
Getting an A+ (5:2)
Definition
- The OS is responsible for managing the interface between all hardware components that make up the computer

- General Protection Faults (GPFs) and Stop errors are often a result of applications trying to cross memory boundaries

- Virtual memory is composed of physical memory or RAM and space on your hard drive, in the form of a paging file.

- NTFS is the most robust and stable of the available file systems but is compatible with the fewest other OSes

- System and application settings are stored in the Registry or in INI files

- explorer.exe makes up most graphical navigation of your computer and is represented as both my computer and the desktop

- Control Panel applets offer interfaces to many system settings

- Remote access to computers is available through Remote Desktop Connections and Remote Assistance, both rely on Remote Desktop Protocol (RDP)
Term
What's the first step to open a Remote Assistance connection on Windows XP?
1. Open the Remote Desktop Connection program
2. Ask customer to choose 'Help and Support' from the Start menu
3. Ask customer to run geninvite.exe from Start -> Run
4. Open the Remote Assistance program from your computer, File -> Connect to computer, and choose customer's computer.
Definition
2. Ask customer to choose 'Help and Support' from the Start menu
Term
If a customer wishes to set up a computer that will boot into several different operating systems, and he would like to have one partition used for sharing data, which file system should he use?
1. FAT
2. FAT32
3. NTFS
4. Reiser FS
Definition
1. FAT
- it is compatible with most OSes
Term
winnt.exe Setup Switches
Definition
[image]
Term
winnt32.exe Setup Switches
Definition
[image]
Term
Setup Manager
Definition
Windows program used to create answer files.

can pass the answer file to Windows setup via winnt.exe: /u: or winnt32.exe: /unattend:
Term
Log files during installation:
Setupact.log
Definition
records info about the files that are copied during installation
Term
Log files during installation:
Setuperr.log
Definition
records info about errors that occur during installation
Term
Log files during installation:
Setupapi.log
Definition
records info about device drive files that are copied during installation
Term
Log files during installation:
Setuplog.txt
Definition
records additional info about device drivers
Term
Slipstreaming
Definition
term used when you update your windows source files with Service Pack files.

benefit is any new installation of Windows from the updated source files will already have the Service Pack installed.
Term
Getting an A+ (5:3)
Definition
-When planning your installation, be sure to plan the partition size, file system, and the computer name that you will use when installing Windows.

- You can boot off the Windows CD-ROM/DVD-ROM to invoke installation

- Launch the winnt.ece setup program from a DOS system; launch winnt32.exe from an existing 32-bit Windows interface

- to dual-boot multiple OSes, make sure that you are using a file system common to each OS, and then install each OS to separate partition

- Slipstream your distribution folder so that new installations will deploy with the current Service Packs already installed

- the user state migration tools are used to copy a user's settings and files from one comp to another. A great feature to make your life easier if you need to do this someday
Term
Minimum RAM requirements for Windows XP?
Definition
64MB of RAM
Term
After installing Windows XP, what will you need to do to prove you have a valid copy of XP?
1. Register it
2. Restart it
3. Activate it
4. Shut it down
Definition
Activate it
Term
Minimum RAM req's for Windows Vista?
Definition
512MB
Term
File Allocation Table (FAT)
Definition
an index on your file system that holds a pointer to where each file is stored on your hard drive
Term
NTFS
Definition
an index called, Master File Table, that holds a pointer to where each file is stored on your hard drive.
Term
Moving files in FAT or NTFS
Definition
you only need to change its reference in the table, not its location in the file system
Term
Executable File extensions
Definition
- .bat, Batch file; a series of commands sequentially typed into a text file

- .cmd, OS/2 command file; usually execute with only a command shell interface

- .com, MS-DOS command file; like OS/2 command files; usually execute with only a command shell interface

- .exe, Command line or graphical program; most common extension for executable files

- .ps1 PowerShell script file; not executable themselves but require 'powershell.exe' to be executed, they should be considered super batch files

- .vbs, Visual Basic Script; not exe themsevles but req either 'wscript.exe' or 'cscript.exe' to execute; a cross between Visual Basic applications and batch files
Term
Major Office Applications extensions
Definition
- .wks and .wk4, Lotus 1-2-3 worksheet files; the number at the end denotes that a specific version of Lotus 1-2-3 was used.

- .wpd, WordPerfect document, this an '.doc' are common extensions for documents

- .wpg, WordPerfect Graphic; WordPerfect's proprietary graphic format
Term
System Files extensions
Definition
- .ani, Animated cursor files; contains animated mouse pointers

- .bak, Backup files; used as a default extension by a number of applications.

- .bin, Binary drivers; used for a few system drivers, such as 'drvspace.bin'

- .cpl, Control Panel files; contains interface to adjust Windows settings

- .cur, Cursor files; holds graphical info to display mouse cursor

- .dat, Data files; used with the Registry files

- .dll, Dynamic Link Library; contains common and reusable code that can be called by any application to reduce the amount of code that has to be placed within specific applications

- .drv, MS-DOS or realmode driver files; Contains MS-DOS-formatted binary drivers

- .ini, initialization files; text files that contain settings for applications; PHASED OUT IN FAVOR OF REGISTRY

- .msc, Microsoft Console settings files; seen often with Windows 2000 or above and a bit with Windows NT 4.0

- .msg, Error message file; contains messages to be displated in the event of an error

- .msi, Microsoft Installer files; a file format used to distribute software to comps running the Windows Installer service

- .scr, Windows Screensaver files; holds binary code to display Windows-based screensaver

- .sys, Systen driver files; used with MS-DOS and Windows for backward compatibility

- .tff, True Type font definition files; contains formula description used to display scalable fonts

- .vxd, Virtual Device Drivers; holds binary code for Windows-based device drivers
Term
Basic attributes:
Read-only
Definition
Cannot be deleted from the command line and cannot be written to or saved over
Term
Basic attributes:
Hidden
Definition
Invisible to users unless those users have changed their viewing options to display hidden files. Hidden files cannot have their attributes changed by the 'attrib.exe' command
Term
Basic attributes:
System
Definition
Flagged as being required by the OS. They cannot have their attribute changed by the 'attrib.exe' command
Term
Basic attributes:
Archive
Definition
Ready for archive or backup.
Term
Moving compressed files
Definition
If you move a compressed file within a partition, the file will retain its compression.

If you copy a compressed file to a folder, it inherits the compression attribute that is set for the destination folder
Term
Moving encrypted files
Definition
if the file moves between NTFS partitions (even computers), it will remain encrypted.

If the file is moved to a non-NTFS partition, the file is automatically decrypted.

If you cannot decrypt the file, you will receive an 'Access Denied' message when you attempt to move the files to a location which is on a different partition.
Term
Getting an A+ (5:)
Definition
- Windows is not limited to the 8.3 naming convention

- Windows supports simulated 8.3 naming for backward compatibility

- the four basic file attributes are, Read-only, Hidden, System, and Archive.

- Windows XP, Vista, and 7 support additional file attributes for compression, encyrption, and indexing. These attributes are available only on the Windows NT File System (NTFS).

- The Archive attribute is still used by many backup programs to locate files that have changed since the last backup.
Term
What is the maximum character length of a filename under Windows XP?
1. 64
2. 128
3. 254
4. 255
5. 256
Definition
4. 255
Term
Windows XP and Vista's main command line command
Definition
cmd.exe
and
command.com (backward compatibility)

command.com is not supported on 64-bit Windows OSes
Term
defrag.exe does not exist for what Windows version?
Definition
Windows 2000.

Only available on Windows XP and newer
Term
Getting an A+ (5:5)
Definition
- 'attrib' changes file attributions, such as read-only, hidden, system, and archive

- 'copy' copies one or multiple files from one directory to another

- 'defrag' defragments your hard drive to increase performance

- 'dir' displays a list of files in a directory

- 'format' prepares a disk for accepting data or to erase a disk

- 'chkdsk' checks a disk for errors that could cause data loss

- 'ver' displays the version of Windows that is in use

- 'xcopy' is like copy but it can be used to copy entire directory structures
Term
You need to regularly backup files in a directory, but you only want to back up files that have changed. What commands can you use to accomplish this in the easiest way possible?
1. fc and xcopy
2. attrib and copy
3. fc, changes, and xcopy
4. xcopy and attrib
Definition
4. xcopy and attrib
Term
Getting an A+ (5:6)
Definition
- Virtual memory is managed by the Virtual Memory Manager, which presents a 4GB address space to applications on the system.

- Virtual memory is made up of physical RAM and hard disk space in the form of a swap file or paging file.

- The Windows XP, Vista, 7, boot process uses the 'ntldr', 'ntbootdd.sys', 'ntdetect.com', 'bootmgr', 'BCD', 'winload.exe', and 'boot.ini' files.
Term
A user has a program that automatically starts when he logs into his computer. He would like to disable it. Where should he look for possible settings?
1. load = lines in 'win.ini'
2. The Startup group in the Start menu
3. the RUN key in the registry
4. All the above
5. None of the above
Definition
4. all the above
Term
A user boots his computer and sees a message stating, "NTLDR is missing. Press any key to restart." What should he do first?
1. Set the CD-ROM as bootable in the systems CMOS and insert the Windows XP CD. This will allow him to complete an emergency repair.
2. Reinstall Windows XP
3. Reboot the computer and enter Safe Mode; then choose RebuildBootSect.exe from the \windows\system32 directory.
4. Remove the floppy disk from the A: drive.
Definition
4. Remove the flopy disk from the A:drive.

the computer tries to boot from the A: drive due to its order in CMOS.
Term
What is the first file that is loaded as part of the Windows XP boot process?
1. io.sys
2. ntbootdd.sys
3. ntbooter
4. ntldr
Definition
4. ntlder
Term
What file is a copy of the SCSI drivers for the SCSI controller in your windows XP computer?
1. ntbootdd.sys
2. boot.ini
3. ntldr
4. ntdetect.com
Definition
1. ntbootdd.sys

the ntbootdd.sys file is a copy of the SCSI driver that has been renamed and is used during the boot process
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