October 2010

The $ character is used for parameter expansion, and command substitution. You can use it for manipulating and/or expanding variables on demands without using external commands such as sed or awk.

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The latest version of the popular Linux desktop distribution Ubuntu 10.10 has been released and available from the official project web site. New features since Ubuntu 10.04 includes – Gnome 2.32, KDE 4.5.0 (QT 4.7), new KDE browser Rekonq, Pulse Audio as the default sound server, Firefox 3.6.9, OpenOffice 3.2.1, Evolution 2.30.3, Shotwell, Btrfs with experimental support, kernel 2.6.35, and X.org version 1.9.

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