An ISO image is an archive file (a.k.a. disk image) of an optical disc using a conventional ISO (International Organization for Standardization ) format that is supported by many software vendors. ISO image files typically have a file extension of .ISO. Occasionally, you might come across a disc image in the BIN format. While there are ways to use BIN/CUE’s in Linux, it is much easier to convert them to the standard ISO format.
The Linux kernel is flexible, and you can even modify the way it works on the fly by dynamically changing some of its parameters using sysctl command. Sysctl provides an interface that allows you to examine and change several hundred kernel parameters in Linux or BSD. Changes take effect immediately, and there's even a way to make them persist after a reboot.sysctl is used to modify kernel parameters at runtime. The parameters available are those listed under /proc/sys/. Procfs is required for sysctl support in Linux. You can use sysctl to both read and write sysctl data.Many of the tunable performance items can be configured directly by the kernel. The command sysctl is used to view current kernel settings and adjust them.
Hiren has created a nice font called Rufscript based on the handwriting of someone he knows.This font is available under GPLv3 with font exception.
Picasa is free photo software from Google. This version is Linux compatible. Picasa won't delete your pictures or put them online without your permission. This is a preview of the upcoming release of Picasa 3 for Ubuntu.
Miro is a free application for channels of internet video (also known as ‘video podcasts and video rss). Miro is designed to be easy to use and to give you an elegant fullscreen viewing experience.

