If you’re coming from Windows you’ll probably notice the “difference” between the fonts on Linux and Windows. You probably don’t have true type fonts installed which are commonly used on Windows based systems. They are also known as as “Windows Fonts” or “DejaVu fonts”.
You can easily install the true type fonts under Debian Linux:
# sudo apt-get install ttf-mscorefonts-installer
For Debian Lenny and later versions, free alternatives for the common Microsoft fonts Arial, Courier and Times New Roman are available in ttf-liberation package. You can install this package with:
# sudo apt-get install ttf-liberation
Logout from your current session and login again to reload the fonts.