If you are using VAIO VGN-FS660/W with Feisty fwan and the Memory Stick light on the front panel would always stay on. If you don't use it, here's an easy way to turn off.
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If you want to Sort your files and folders by size use the following tip
xine is a free (gpl-licensed) high-performance, portable and reusable multimedia playback engine. xine itself is a shared library with an easy to use, yet powerful API which is used by many applications for smooth video playback and video processing purposes.
The CPU Frequency Scaling Monitor provides a convenient way to monitor the CPU Frequency Scaling for each CPU.
Gip is an IP address calculator that integrates well with the GNOME desktop environment.Gip provides system administrators with tools for IP address based calculations. For example, an administrator who needs to find out which IP prefix length equals the IP netmask 255.255.240.0, just types in the mask and gets the prefix length presented. But many more advanced calculations can be made. Gip can convert an address range into a list of prefix lengths. It can also split subnets using a given IP netmask or IP prefix length. Many more calculations are possible.