It's been so long i didn't post, now i am back.
How to Install a Software on Ubuntu/Debian ?
You can simply install software on Ubuntu/Debian by using apt. apt (Advanced Package Tool) is a package manager for Debian Distribution. APT was originally designed as a front-end for dpkg to work with Debian's .deb packages. How to Use it ? Here is the steps :
1. Open your Terminal/Konsole
2. Type "apt-get install [nameofthesoftware]"
in this case i want to install f-spot a photo manager software
If you get an error "Permission Denied", Just add sudo before apt-get.
and enter your root password, then press enter.
3. "Do you want to continue ?" Press Y[yes] to continue, then press enter.
4. Installing Process will appear.