General Public License - GNU

The GNU General Public License (GNU GPL or GPL) is the most widely used free software license, which guarantees end users (individuals, organizations, companies) the freedoms to run, study, share (copy), and modify the software.

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What is proprietary software?

Proprietary software (non-free software/closed-source software) is software that is owned by an individual or a company (usually the one that developed it). There are almost always major restrictions on its use, and its source code is almost always kept secret.

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Kind Of Extension Of Domain.

There are many different types of domain extensions you can choose for your domain name. This depends on your business nature. If you are going to register a domain name for educational site purpose then you can go for .edu extension. Below is a reference of the correct usage of certain extensions. But there is no hard and fast rule to go for any extension. Most commonly used is .com

1).com - Stands for company/commercial, but it can be used for any web site.

2).net - Stands for network and is usually used for a network of sites.

3).org - Stands for organization and is supposed to be for non-profit bodies.

4).us, .in - They are based on your country names so that you can go for country specific domain extensions.

5).biz - A newer extension on the Internet and can be used to indicate that this site is purely related to business.

6).info - Stands for information. This domain name extension can be very useful, and as a new comer it's doing well.

7).tv - Stands for Television and are more appropriate for TV channel sites.

Newer domain extensions such as .biz .info and .us etc. have more name choices available as many of the popular domains have yet to be taken and most of them are available at very nominal prices.

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Need of CC or BCC in emails.

CC means carbon copy and BC means blind copy. If you are sending an email out to some one why would you CC them if you can just put there email in the "TO" space along with everyone your sending it to? and blind copy is just dumb. Explain it?

In a business environment To: is used for the main persons you're communicating with on a matter. Cc: would be used for other names who just need to know about the issue, but who are not actually in the conversation. 

Some people use Bcc: to send to many people without each seeing the other's address, but it could also be used to cause mischief by copying an active conversation to someone else secretly.

BCC is a very good thing to use. 
You can send the email to many people, but they cant see the email addresses of the other people, to whom it was sent.

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"ADSL" and "BROADBAND"

What is SLT Broadband (ADSL)?

SLT Broadband provides you consistent, uninterrupted, high speed internet access through ADSL technology. It converts your regular phone line into a high-speed digital link, enabling simultaneous transmission of voice and data, as opposed to dial-up internet. As a result of switching to Broadband ADSL, data can be transferred at greatly increased speeds. and above.

What does the terms "ADSL" and "BROADBAND" refer to?

Broadband refers to a form of telecommunication that allows higher data transfer rates. Broadband transfers data at least 10 times faster than standard dial-up, because it provides wide band of frequencies to transfer data at the same time.

ADSL (Asymmetric Digital Subscriber Line) is a broadband connection technology which utilizes existing copper wired telephone networks. ADSL is ‘asymmetric’ because it facilitates different speeds for downloading and uploading, for optimized performance. This is the reason why ADSL packages always quote higher download speeds compared to upload speeds

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Attrib

Displays, sets, or removes the read-only, archive, system, and hidden attributes assigned to files or directories. Used without parameters, attrib displays attributes of all files in the current directory.

+r : Sets the read-only file attribute.

-r : Clears the read-only file attribute.

+a : Sets the archive file attribute.

-a : Clears the archive file attribute.

+s : Sets the system file attribute.

-s : Clears the system file attribute.

+h : Sets the hidden file attribute.

-h : Clears the hidden file attribute.

/s : Applies attrib and any command-line options to matching files in the current directory and all of its subdirectories.

/d : Applies attrib and any command-line options to directories.

/? : Displays help at the command prompt.

Ex : attrib -s -h /s /d

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Access Point (AP)

1. In computer networking, a wireless access point (AP) is a device that allows wireless devices to connect to a wired network using Wi-Fi, or related standards. The AP usually connects to a router (via a wired network) as a standalone device, but it can also be an integral component of the router itself.
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