Rename or change extension type of multiple files under Windows OS

-Navigate to folder using command prompt
cd "c\test"
-type command
rename *.doc *.txt
-hit enter key from keyboard

* It will change the extension type of all the .doc files present in "test" folder to .txt.

Host File in Windows and Mac

• Edit Host file in Mac OS:

-Open Terminal and type the command:  sudo nano /private/etc/hosts

And press Enter key.

Type your user password when prompted.

 – Edit the hosts file. The hosts file contains some comments (lines starting with the # symbol), as well as some default hostname mappings (e.g. 127.0.0.1 – localhost).
You can navigate the file using the arrow keys.

– Save the hosts file. When done editing the hosts file, press control-o to save the file.
Press enter on the filename prompt, and control-x to exit the editor.

• Edit Host File in Windows:

-Navigate to folder “C:\Windows\System32\drivers\etc”. Host file is displayed there.

-Right click on Host file and select “Send to Desktop”.

-Open Host file, edit and save “CTRL+S”.

Note: Make sure in Win 7, UAC (User Account Control) is disabled, otherwise host file is not editable.

To disable USA, navigate to “Control Panel\User Accounts\User Accounts”

Now open “User Accounts” and then click on “Change User Account Control Settings”. Set the Notification level to lowest (near to Never notify) and click “OK” button. To update settings, you need to restart the machine.

Set default font for composing new messages in Mozilla Thunderbird:

* Make sure each account is set to composing with HTML formatting.

    * Select "Tools" | "Options" from the menu in Mozila Thunderbird.

    * Go to the "Composition" category.

    * Make sure the "General tab" is selected.

    * Choose the desired font, font size and colors under HTML.

    * Click "Send Options"....

    * Make sure either "Ask me what to do", Send the message in HTML anyway or "Send the message" in both plain text and "HTML" is selected under When sending messages in HTML 

    * Click "OK".

    * Close the configuration dialog.

How to get rid of double dash before the signature in Thunderbird

1.Open Thunderbird
2.Tools -> Options or Edit -> Preferences and then Advanced ->General-> Config Editor
3.Then search for mail.identity.default.suppress_signature_separator
4. Set it to TRUE by double-clicking it.

Remotely accessing a Mac Machine from other Mac Machine

Settings need to be enabled under Mac machine, you want to access remotely:
1.    Go to “System Preferences” and then “Sharing”


2.    Double click on “Sharing”, a new dialog get opened

3.    Unlock the dialog by clicking on “Lock” icon and provide username and password of Mac user.
4.     Select “Remote Management”, enables “All users” and then clicks on “Options”.

5.    Select all the options and click “OK” button.
6.    Now lock the dialog again.
7.    Open browser in the Mac machine, you want to remote Mac machine.

To access Remotely a Mac machine:
*There are two ways to do so:

First Way:
1.  Type in bowser URL bar as :   vnc://IP of machine and hit “Enter” key from keyboard.
Example: vnc://122.234.56.78
2.“Launch Application” dialog get opened, Click on “Ok” button.

     3. “Connect to shared computer” dialog is opened including IP, click on “Connect”.

    4. On next screen provide username and pass word and click on “connect”.

Second Way:
1.    Click on “Go” from Desktop toolbar and select “Connect to Server” or press “Command+k”.
2.    Connect to server dialog get opened.
3.    Type in the url bar as : vnc://122.234.56.78 and click “Connect” button.
4.    On the next screen provide username and pass word and click on “connect”.