Apple Macintosh

A computer first introduced by Apple in 1984 with the now famous 1984 commercial shown on the Super bowl. The Apple Macintosh computer became popular with schools and many users because of the graphical user interface (GUI) that was easier for non-computer users to use as it did not require memorizing many commands like that on the PCs at the time using MS-DOS.

AIM

1. Short for AOL Instant Messenger, AIM is a widely used Instant Messenger program.
   
   The official AIM website can be found at: http://www.aim.com/
   
2. Short for Apple, IBM, and Motorola, AIM is the alliance that developed the PowerPC.

AAC

Short for Advanced Audio Coding, AAC is an audio codec that has better audio quality and compression when compared to the popular MP3 format. This is the default codec Apple iTunes uses when saving audio CDs to your computer.

Apple definitions

A

AAC AIM Apple Apple I Apple Desktop Bus Apple DOS Apple event Apple key Apple Menu Apple Macintosh Apple Touch Icon Apple Worldwide Developer conference AppleTalk Aqua

B

BOMB Bonjour Boot Camp

C

Caddy Closed architecture Command key

D

DDP Dirty ROM Dock

E

EtherTalk Extension

F

Finder

G

Currently no listings

H

Happy Mac

I

iDVD iLife iMac ImageWriter iMovie INIT iOS iPad iPhone iPhoto iPod iSight iTools iTunes

J

Currently no listings

K

Currently no listings

L

LaserWriter LocalTalk

M

Mac Mac Mini Mac OS X Menu bar MobileMe Mount

N

Currently no listings

O

Option key

P

PowerPC PRAM

Q

QuickTime

R

RAM cache

S

Sad Mac Safari SANE Spotlight SuperCard SuperDrive System System 7

T

Currently no listings

U

Currently no listings

V

Volume reference number

W

Currently no listings

X

XCFD XCFN

Y

Currently no listings

Z

Currently no listings

Mac

1. Originally known as iTools, .Mac is a group of online services from Apple computers that gives Apple Mac OS users a place to host their web page, e-mail, store files online, greeting cards, and a website review service. On June 09, 2008 Apple announced .Mac would be converted to MobileMe.
2. A file extension for MacPaint files.

About attrib

Attrib allows a user to change the properties of a specified file. Using attrib, the user has the capability of changing the file to have any of the below attributes. Note if you're wanting to change the ACL's of a file see the CACLS command.

Read-only - allowing the file to be only viewed and not written to.

Archived - allowing Microsoft backup and other backup programs to know what files to backup.

Hidden - making the file invisible to standard users.

System - making the file an important system file.

Availability

The attrib.exe command is an external command that is available in the below Microsoft operating systems.

MS-DOS 3.0 and above
Windows 95
Windows 98
Windows ME
Windows NT
Windows 2000
Windows XP
Windows Vista
Windows 7

Syntax

Microsoft Windows 95, 98, and ME syntax

Displays or changes file attributes.

ATTRIB [+R | -R] [+A | -A] [+S | -S] [+H | -H] [[drive:][path]filename] [/S]

+	Sets an attribute.
-	Clears an attribute.
R	Read-only file attribute.
A	Archive file attribute.
S	System file attribute.
H	Hidden file attribute.
/S	Processes files in all directories in the specified path.

Microsoft Windows 2000 and Windows XP syntax

Displays or changes file attributes.

ATTRIB [+R | -R] [+A | -A ] [+S | -S] [+H | -H] [[drive:] [path] filename] [/S [/D]]

+	Sets an attribute.
-	Clears an attribute.
R	Read-only file attribute.
A	Archive file attribute.
S	System file attribute.
H	Hidden file attribute.
/S	Processes files in all directories in the specified path.
/D	Process folders as well.

Microsoft Windows 2000 and Windows XP recovery console syntax

Note: The below options are the available options in the Windows recovery console.

Changes attributes on one file or directory.

ATTRIB -R | +R | -S | +S | -H | +H | -C | +C filename

+	Sets an attribute.
-	Clears an attribute.
R	Read-only file attribute.
S	System file attribute.
H	Hidden file attribute.
C	Compressed file attribute.

Examples

attrib

Typing attrib by itself will display all files in the current directory and each of their attributes. If any file is hidden it will also display those files.

attrib +r autoexec.bat

Add the read-only attribute to the autoexec.bat file so it cannot be modified until the read only attribute is taken off. This is helpful for important system files or any other file that you do not want to have mistakenly edited or changed by another program.

attrib +h config.sys

Add the hidden attribute to the config.sys file causing it to be not be seen by the average user.

attrib -h config.sys

This command will do the opposite of the above command. Instead of hiding the file it will unhide the file if hidden.

• How can I see hidden files in MS-DOS?

Extended information

DOS directory file attribute bit position and Hex Value with bit positions (7 6 5 4 3 2 1 0). See the file attributes computer dictionary definition for further information about file attributes.

Bit Positions	Hex	Description
0 0 0 0 0 0 0 1	01h	Read Only file
0 0 0 0 0 0 1 0	02h	Hidden file
0 0 0 0 0 1 0 0	04h	System file
0 0 0 0 1 0 0 0	08h	Volume Label
0 0 0 1 0 0 0 0	10h	Subdirectory
0 0 1 0 0 0 0 0	20h	Archive
0 1 0 0 0 0 0 0	40h	Reserved
1 0 0 0 0 0 0 0	80h	Reserved
Examples
0 0 1 0 0 0 0 1	21h	Read Only, Archive
0 0 1 1 0 0 1 0	32h	Hidden, Subdirectory, Archive
0 0 1 0 0 1 1 1	27h	Read Only, Hidden, Archive

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