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SquirrelMail is a web-based email application started by Nathan and Luke Ehresman[1] and written in the PHP scripting language. It can be installed on almost all web servers as long as PHP is present and the web server has access to an IMAP and SMTP server.
SquirrelMail outputs valid HTML 4.0 for its presentation, making it [...]

If you’ve upgraded to Microsoft Office 2007 and your friends and colleagues haven’t, they will not be able to open the Office files you create and send to them.
There are a couple of ways to avoid this issue:
1. For files you’ve already saved, re-save them using the SAVE AS feature and change the file format to [...]

To create the signature:
1. On the Tools menu, click Options
2. Click the Mail Format tab, then the Signatures button
3. Click New to open the Create Signature dialog box
4. Enter a name for the signature & click OK
5. In the Edit Signature section, type the text you want
6. Click the Font button and then specify font, font style, size, and color
7. Use the [...]

There are four basic steps you can take to help protect your network:

Use a firewall to control access to your network, block intruders from finding the data on your private network, and control what your employees can access outside of your network.

Use strong passwords which have at least eight characters; use a combination of lower [...]

Windows XP can automatically synchronize your clock to keep it accurate. To set this up:
Right-click your clock, and then click Adjust Date/Time
Click the Internet Time tab, then the Server down arrow
Select time.nist.gov from the list
Confirm that the Internet time synchronization box is checked
Click Update Now, and Windows XP contacts the Internet time server and sets [...]

Here are a few keyboard shortcuts you can use to perform common tasks quickly. There are many more than are listed here. Visit http://sunsite.dk/linux-newbie/Linux_commands.htm#shortcuts for more command line and keyboard shortcuts.

clear = clear the terminal. Type this at a command line to clear all displayed data from the terminal window.

[Ctrl] + [l] = clear the [...]

This is a list of the primary Red Hat Linux system directories. Each directory is described briefly. For additional directory information, refer to the Official Red Hat Linux Customization Guide and Official Red Hat Linux Reference Guide indexes.

/bin – Used to store user commands. The directory /usr/bin also stores user commands.

/sbin – Location of many [...]

This appendix lists and describes common Linux file extensions. Also included is a section explaining how to get your system to properly identify a file with no extension, an incorrect one, or one that you are uncertain about.

Compressed Files

.tar – an archive file (short for tape archive)

.gz – a compressed file (gzipped)

.tgz – a tarred [...]

This appendix provides common commands used at the MS-DOS prompt in Windows 9x and their counterparts in Linux. Basic examples of how the command are used at the Linux shell prompt are also provided. Note that these commands usually have a number of options. To learn more about each command, read its associated man page (for example, type man ls at the shell prompt to read about the ls command).

Changing to Graphical Login

How do I change my login from the console to the graphical screen?

A. Edit /etc/inittab
Instead of logging in to your system at the console and typing the startx command to start the X Window System, you can configure your system so that you can log in directly to X.
You must edit one [...]